{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"ISG120957","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"buonarroti_michelangelo_1475_1564","item_category5":"not_balown","item_list_name":"search_results","item_name":"pieta_early_1540_s_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"FOG702720","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"buonarroti_michelangelo_1475_1564_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"ganymede_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC493256","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_deluge_c_1517_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"CND152191","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"la_gioconda_nude_gouache_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC2628782","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_deluge_c_1517_18_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"XKH179019","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"tibaldi_pellegrino_1527_96","item_category5":"balown","item_list_name":"search_results","item_name":"polyphemus_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC399282","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_cranium_sectioned_1489_pen_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"XOS3696951","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"rembrandt_harmensz_van_rijn_1606_69","item_category5":"balown","item_list_name":"search_results","item_name":"an_elephant_1637_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"CTS366722","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"leda_and_the_swan_pen_brown_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC478420","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_head_of_leda_c_1505_pen_and_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"COU332397","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"daumier_honore_1808_79","item_category5":"not_balown","item_list_name":"search_results","item_name":"le_malade_imaginaire_c_1850_black_chalk_w_c_on_paper","item_variant":"undefined"},{"item_id":"BAT192574","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"verrocchio_andrea_del_1435_88","item_category5":"not_balown","item_list_name":"search_results","item_name":"head_of_angel_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC399283","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_skull_sectioned_1489_pen_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"AMO276528","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"buonarroti_michelangelo_1475_1564","item_category5":"not_balown","item_list_name":"search_results","item_name":"study_of_a_window_with_a_semi_circular_gable_c_1546_black_chalk_wash_on_paper","item_variant":"undefined"},{"item_id":"ROC405162","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_woman_in_a_landscape_c_1517_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC478422","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_standing_masquerader_c_1517_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC478415","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_rocky_outcrop_c_1510_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ELS9189760","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"rembrandt_harmensz_van_rijn_1606_69","item_category5":"not_balown","item_list_name":"search_results","item_name":"elephant_black_chalk_black_chalk","item_variant":"undefined"},{"item_id":"COU5934521","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"buonarroti_michelangelo_1475_1564","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_dream_c_1533_black_chalk_on_laid_paper","item_variant":"undefined"},{"item_id":"ROC399256","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"raphael_raffaello_sanzio_of_urbino_1483_1520","item_category5":"not_balown","item_list_name":"search_results","item_name":"leda_and_the_swan_c_1507_pen_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC399267","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_muscles_of_the_shoulder_c_1510_pen_ink_with_wash_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"MGS172103","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"iacovleff_alexandre_1887_1938","item_category5":"not_balown","item_list_name":"search_results","item_name":"mossuril_mozambique_1925_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"CH99197","item_category":"object","item_category2":"in_copyright","item_category3":"standard","item_category4":"brancusi_constantin_1876_1957","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_kiss_1908_09_plaster","item_variant":"undefined"},{"item_id":"ROC5892761","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"recto_the_fetus_in_the_womb_c_1511_red_chalk_and_traces_of_black_chalk_pen_and_ink_wash_on_paper","item_variant":"undefined"},{"item_id":"CH988600","item_category":"object","item_category2":"in_copyright","item_category3":"standard","item_category4":"brancusi_constantin_1876_1957","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_kiss_1908_09_plaster","item_variant":"undefined"},{"item_id":"BOO73752","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"stuck_franz_von_1863_1928","item_category5":"not_balown","item_list_name":"search_results","item_name":"head_of_christ_c_1890_charcoal_and_chalk","item_variant":"undefined"},{"item_id":"ROC405157","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_scheme_for_a_canal_to_bypass_the_arno_c_1503_brush_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"CTS366782","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"raphael_raffaello_sanzio_of_urbino_1483_1520","item_category5":"not_balown","item_list_name":"search_results","item_name":"virgin_and_child_black_chalk_on_grey_paper","item_variant":"undefined"},{"item_id":"NGW385996","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium_plus","item_category4":"john_augustus_edwin_1878_1961","item_category5":"not_balown","item_list_name":"search_results","item_name":"guilhermina_suggia_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"XIR182028","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"signac_paul_1863_1935","item_category5":"balown","item_list_name":"search_results","item_name":"venice_or_the_gondolas_1908_black_chalk_and_w_c_on_paper","item_variant":"undefined"},{"item_id":"ROC408313","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_scene_in_an_arsenal_c_1485_90_pen_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"XKH179021","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"raphael_raffaello_sanzio_of_urbino_1483_1520","item_category5":"balown","item_list_name":"search_results","item_name":"head_of_a_cherub_black_chalk_and_charcoal_on_paper","item_variant":"undefined"},{"item_id":"NGS10536","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"picasso_pablo_1881_1973","item_category5":"not_balown","item_list_name":"search_results","item_name":"head_1913_papiers_colles_with_black_chalk_on_card","item_variant":"undefined"},{"item_id":"CH332498","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"cortona_pietro_da_berrettini_1596_1669","item_category5":"not_balown","item_list_name":"search_results","item_name":"head_of_an_angel_looking_down_to_the_left_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"CH36663","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"raphael_raffaello_sanzio_of_urbino_1483_1520","item_category5":"not_balown","item_list_name":"search_results","item_name":"studies_of_a_man_s_head_and_hand_black_chalk","item_variant":"undefined"},{"item_id":"XIR159289","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519_attr_to","item_category5":"balown","item_list_name":"search_results","item_name":"study_of_an_angel_chalk_on_paper","item_variant":"undefined"},{"item_id":"NGS69372","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"kitaj_r_b_1932_2007","item_category5":"not_balown","item_list_name":"search_results","item_name":"if_not_not_1975_76_oil_and_black_chalk_on_canvas","item_variant":"undefined"},{"item_id":"MEV5049312","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"rubens_peter_paul_1577_1640","item_category5":"not_balown","item_list_name":"search_results","item_name":"laocoon_and_his_sons_black_chalk_washed_out_bistre","item_variant":"undefined"},{"item_id":"GNS941785","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"gainsborough_thomas_1727_88","item_category5":"not_balown","item_list_name":"search_results","item_name":"wooded_landscape_with_herdsman_and_cattle_c_1775_pen_ink_black_chalk_grey_grey_black_washes_white_ch","item_variant":"undefined"},{"item_id":"AMO1216686","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"buonarroti_michelangelo_1475_1564","item_category5":"not_balown","item_list_name":"search_results","item_name":"nude_male_torso_pen_and_brown_ink_with_black_chalk_on_off_white_paper_verso_black_chalk","item_variant":"undefined"},{"item_id":"ROC3956000","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_rocky_outcrop_c_1510_15_black_chalk","item_variant":"undefined"},{"item_id":"ROC412172","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"studies_of_flowing_water_with_notes_c_1510_13_pen_ink_of_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"CH658830","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"galien_laloue_eugene_jacques_lievin_1854_1941","item_category5":"not_balown","item_list_name":"search_results","item_name":"l_arc_de_triomphe_paris_black_chalk_and_bodycolour","item_variant":"undefined"},{"item_id":"XOS3432851","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"balown","item_list_name":"search_results","item_name":"head_of_virgin_1508_1512_black_chalk_charcoal_and_red_chalk_with_some_traces_of_white_chalk_on_card","item_variant":"undefined"},{"item_id":"AMO3959888","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"raphael_raffaello_sanzio_of_urbino_1483_1520","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_phrygian_sibyl_wa1846_203_red_chalk_over_blind_stylus_with_some_black_chalk","item_variant":"undefined"},{"item_id":"XTD68231","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"gogh_vincent_van_1853_90","item_category5":"balown","item_list_name":"search_results","item_name":"sorrowful_old_man_1882_pencil_chalk_wash_watercolour_on_paper","item_variant":"undefined"},{"item_id":"CH36617","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"barocci_or_baroccio_federico_fiori_c_1535_1612","item_category5":"not_balown","item_list_name":"search_results","item_name":"study_for_the_head_of_christ_black_chalk","item_variant":"undefined"},{"item_id":"ROC478428","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_cloudburst_of_material_possessions_c_1510_pen_ink_with_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"AMO1216729","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"raphael_raffaello_sanzio_of_urbino_1483_1520","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_phrygian_sibyl_red_chalk_with_some_black_chalk_on_buff_paper","item_variant":"undefined"},{"item_id":"RTR5315970","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"self_portrait_c_1515_16_red_chalk_on_white_paper","item_variant":"undefined"},{"item_id":"ROC475901","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_bones_and_muscle_of_the_arm_c_1510_pen_ink_with_wash_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC3703861","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_arm_of_st_peter_in_the_last_supper_c_1495_black_chalk_with_white_chalk_pen_and_ink_and_white_hei","item_variant":"undefined"},{"item_id":"ROC399279","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_stomach_and_intestines_c_1508_09_pen_and_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"XBM186114","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"burne_jones_edward_coley_1833_98","item_category5":"balown","item_list_name":"search_results","item_name":"odin_1883_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"BBC189900","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"friedrich_caspar_david_1774_1840","item_category5":"not_balown","item_list_name":"search_results","item_name":"self_portrait_c_1810_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC3956005","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_veins_of_the_arm_c_1508_pen_and_ink_over_traces_of_black_chalk","item_variant":"undefined"},{"item_id":"XIR164739","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"dumonstier_or_dumoustier_daniel_1574_1646","item_category5":"balown","item_list_name":"search_results","item_name":"portrait_of_a_bearded_man_red_chalk_pierre_noire_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC3469473","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_skull_sectioned_1489_pen_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC430769","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_anatomy_of_the_mouth_c_1508_09_pen_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC478423","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"studies_of_figures_in_action_c_1508_black_chalk_with_pen_ink_on_paper","item_variant":"undefined"},{"item_id":"DTR451765","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"cezanne_paul_1839_1906","item_category5":"not_balown","item_list_name":"search_results","item_name":"skull_and_book_c_1885_w_c_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC399269","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_muscles_of_the_shoulder_and_arm_c_1510_pen_ink_with_wash_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"BAL49891","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"buonarroti_michelangelo_1475_1564","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_andrea_quaratesi_c_1532_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"CH378499","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"poynter_edward_john_1836_1919","item_category5":"not_balown","item_list_name":"search_results","item_name":"andromeda_1872_black_chalk","item_variant":"undefined"},{"item_id":"XOS3432904","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"gogh_vincent_van_1853_90","item_category5":"balown","item_list_name":"search_results","item_name":"corridor_in_the_asylum_1889_oil_over_black_chalk_on_pink_laid_ingres_paper","item_variant":"undefined"},{"item_id":"ROC483498","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_design_for_a_musical_elephant_costume_c_1507_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC478431","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_brachial_plexus_c_1508_pen_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC399272","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_muscles_of_the_shoulder_arm_and_leg_c_1510_pen_ink_with_wash_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"CH827071","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"gerome_jean_leon_1824_1904","item_category5":"not_balown","item_list_name":"search_results","item_name":"study_for_the_two_augurs_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC409853","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_vertebral_column_c_1510_pen_ink_with_wash_over_traces_of_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC399273","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_bones_muscles_and_tendons_of_the_hand_c_1510_pen_ink_with_wash_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"XOS3700785","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"rubens_peter_paul_1577_1640","item_category5":"balown","item_list_name":"search_results","item_name":"lion_c_1612_13_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC399246","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"studies_for_the_head_of_leda_c_1505_06_pen_ink_and_chalk_on_paper","item_variant":"undefined"},{"item_id":"BOO73768","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"manet_edouard_1832_83","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_madame_jules_guillemet_c_1880_black_chalk","item_variant":"undefined"},{"item_id":"ROC478425","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"studies_of_water_with_notes_c_1510_pen_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"CH376536","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"degas_edgar_1834_1917","item_category5":"not_balown","item_list_name":"search_results","item_name":"rear_view_of_a_dancer_black_chalk_pastel","item_variant":"undefined"},{"item_id":"STC255560","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"aldin_cecil_charles_windsor_1870_1935","item_category5":"not_balown","item_list_name":"search_results","item_name":"probation_from_sleeping_partners_1930_chalk_and_charcoal_on_paper","item_variant":"undefined"},{"item_id":"ROC412168","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_design_for_a_costume_of_an_imaginary_beast_c_1517_18_black_chalk_with_pen_ink_on_paper","item_variant":"undefined"},{"item_id":"AMO160093","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"head_of_a_warrior_copy_of_a_detail_from_the_battle_of_anghiari_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC399276","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_skeleton_c_1510_pen_ink_with_wash_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"ROC399275","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_veins_and_muscles_of_the_arm_c_1510_pen_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"XJF308752","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"balown","item_list_name":"search_results","item_name":"detail_of_a_centralised_church_c_1488_pen_ink_and_wash_over_black_chalk","item_variant":"undefined"},{"item_id":"ROC615079","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_heart_lungs_and_other_organs_c_1508_pen_ink_over_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"XKH152179","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"friedrich_caspar_david_1774_1840","item_category5":"balown","item_list_name":"search_results","item_name":"self_portrait_pen_and_brown_ink_over_traces_of_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"XOS3696964","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"raphael_raffaello_sanzio_of_urbino_1483_1520","item_category5":"balown","item_list_name":"search_results","item_name":"madonna_of_the_pomegranate_c_1504_black_grey_chalk","item_variant":"undefined"},{"item_id":"XYC230562","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"varley_cornelius_1781_1873","item_category5":"balown","item_list_name":"search_results","item_name":"mountain_panorama_in_wales_cader_idris_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"AMO276514","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"buonarroti_michelangelo_1475_1564","item_category5":"not_balown","item_list_name":"search_results","item_name":"study_of_a_male_nude_c_1511_pen_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"AGN265317","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"bonington_richard_parkes_1802_28","item_category5":"not_balown","item_list_name":"search_results","item_name":"rouen_cathedral_pencil_black_chalk","item_variant":"undefined"},{"item_id":"CTS449383","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"dyck_anthony_van_1599_1641","item_category5":"not_balown","item_list_name":"search_results","item_name":"inigo_jones_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"AMO110719","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"faithorne_william_1616_91","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_john_aubrey_1666_black_lead_chalk_on_paper","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"gesso nero","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":3485,"search_results_page_number":1}