{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"BL3275341","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_illusion","item_variant":"undefined"},{"item_id":"UIG5311410","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_engraving_depicting_a_method_of_using_a_camera_obscura_as_a_drawing_aid_19th_century","item_variant":"undefined"},{"item_id":"CHT175003","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"chevalier_charles_fl_1835","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_phenakisticope_with_a_dancing_couple_card_1835_photo","item_variant":"undefined"},{"item_id":"CEC128157","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"close_chuck_b_1940","item_category5":"not_balown","item_list_name":"search_results","item_name":"alex_1991","item_variant":"undefined"},{"item_id":"XOT359132","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"torelli_giacomo_1608_78","item_category5":"balown","item_list_name":"search_results","item_name":"act_ii_scene_x_the_courtyard_of_the_king_of_naxos_oil_on_canvas","item_variant":"undefined"},{"item_id":"DTR241632","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"stettheimer_florine_1871_1944","item_category5":"not_balown","item_list_name":"search_results","item_name":"love_flight_of_a_pink_candy_heart_1930_oil_on_canvas","item_variant":"undefined"},{"item_id":"MAY382095","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"stella_frank_b_1936","item_category5":"not_balown","item_list_name":"search_results","item_name":"gray_scramble_single_1969_acrylic_on_canvas","item_variant":"undefined"},{"item_id":"PRG332679","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"parrag_emil_1925_2019","item_category5":"not_balown","item_list_name":"search_results","item_name":"lake_reflecting_moonlight_1989_oil_on_wood","item_variant":"undefined"},{"item_id":"UIG5309088","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"example_of_an_optical_illusion_composite_picture_of_an_old_woman_and_a_girl","item_variant":"undefined"},{"item_id":"OVR358713","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"kittelsen_theodor_severin_1857_1914","item_category5":"not_balown","item_list_name":"search_results","item_name":"forest_troll_1906_crayon_wash_on_paper","item_variant":"undefined"},{"item_id":"XOT359131","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"torelli_giacomo_1608_78","item_category5":"balown","item_list_name":"search_results","item_name":"act_ii_scenes_i_and_viii_oil_on_canvas","item_variant":"undefined"},{"item_id":"LLM6014391","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"optical_illusion_litho","item_variant":"undefined"},{"item_id":"EDB51721","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"thaumatrope","item_variant":"undefined"},{"item_id":"OVR358718","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"kittelsen_theodor_severin_1857_1914","item_category5":"not_balown","item_list_name":"search_results","item_name":"new_years_play_tricks_1903_colour_pencil_on_paper","item_variant":"undefined"},{"item_id":"NDS236449","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"hollands_norman","item_category5":"not_balown","item_list_name":"search_results","item_name":"tethered_pumpkin_1996_photo","item_variant":"undefined"},{"item_id":"AII86835","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"trompe_l_oeil_of_an_open_manuscript","item_variant":"undefined"},{"item_id":"AII135323","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"niceron_jean_francois_1613_46","item_category5":"not_balown","item_list_name":"search_results","item_name":"anamorphosis_oil_on_canvas","item_variant":"undefined"},{"item_id":"EPL6795496","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"gravity_illusion","item_variant":"undefined"},{"item_id":"BAL142778","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"gijsbrechts_cornelis_norbertus_1630_1683","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_trompe_l_oeil_of_an_open_glazed_cupboard_door_with_numerous_papers_and_objects_1666_oil_on_canvas","item_variant":"undefined"},{"item_id":"UIG5309089","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"example_of_an_optical_illusion_two_happy_children_framed_by_an_arch_play_at_a_table_with_their_pet_d","item_variant":"undefined"},{"item_id":"BL3275282","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_ghost_illusion","item_variant":"undefined"},{"item_id":"BAL8288","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"poster_advertising_a_psychic_performance_by_the_davenport_brothers_1865_colour_litho","item_variant":"undefined"},{"item_id":"AII135306","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"niceron_jean_francois_1613_46","item_category5":"not_balown","item_list_name":"search_results","item_name":"anamorphosis_oil_on_panel","item_variant":"undefined"},{"item_id":"PSZ80498","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"szumowski_peter","item_category5":"not_balown","item_list_name":"search_results","item_name":"abstract_composition_1996","item_variant":"undefined"},{"item_id":"BAL21971","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"hellebaut_carolus_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_trompe_l_oeil_of_twenty_five_drawings_and_watercolours_18th_century","item_variant":"undefined"},{"item_id":"CHT191427","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"japanese_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"cats_forming_a_cat_s_head_c_1810_colour_woodblock_print","item_variant":"undefined"},{"item_id":"BAL35779","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"victoria_or_vitoria_vicente_1650_1712","item_category5":"not_balown","item_list_name":"search_results","item_name":"trompe_l_oeil_with_rifles_sword_and_gunpowder_horn","item_variant":"undefined"},{"item_id":"XOT359130","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"torelli_giacomo_1608_78","item_category5":"balown","item_list_name":"search_results","item_name":"act_i_scenes_vii_and_viii_baccus_temple_oil_on_canvas","item_variant":"undefined"},{"item_id":"AII135305","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"niceron_jean_francois_1613_46","item_category5":"not_balown","item_list_name":"search_results","item_name":"anamorphosis_oil_on_panel","item_variant":"undefined"},{"item_id":"UIG2623846","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"zoetrope_optical_illusion_disc","item_variant":"undefined"},{"item_id":"LLR5236356","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_optical_illusion_litho","item_variant":"undefined"},{"item_id":"EPL6862663","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"optical_illusion_ghost","item_variant":"undefined"},{"item_id":"AGC5889594","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"krylova_nurenberg_elena_b_1939","item_category5":"not_balown","item_list_name":"search_results","item_name":"illusion_1972_colour_litho","item_variant":"undefined"},{"item_id":"LLM5229925","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"plato_s_shadow_play_litho","item_variant":"undefined"},{"item_id":"LLM3627865","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"another_optical_illusion_engraving","item_variant":"undefined"},{"item_id":"KWE353661","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"decorative_end_paper_colour_litho","item_variant":"undefined"},{"item_id":"XOT359133","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"torelli_giacomo_1608_78","item_category5":"balown","item_list_name":"search_results","item_name":"act_iii_scene_v_courtyard_of_the_elysian_fields_oil_on_canvas","item_variant":"undefined"},{"item_id":"MNS882057","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"kunisada_utagawa_toyokuni_iii_1786_1865","item_category5":"not_balown","item_list_name":"search_results","item_name":"illusion_november_1857","item_variant":"undefined"},{"item_id":"LLM664652","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_stage_illusion_engraving","item_variant":"undefined"},{"item_id":"EPL6816222","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"god_of_light_illusion","item_variant":"undefined"},{"item_id":"NNY232279","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"barron_jenny","item_category5":"not_balown","item_list_name":"search_results","item_name":"optical_illusion_2005_w_c_on_paper","item_variant":"undefined"},{"item_id":"PVD1682460","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"white_cross_ruling_on_a_black_background_optical_illusion_kinetic_art","item_variant":"undefined"},{"item_id":"IND54497","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"vasarely_victor_1906_97","item_category5":"not_balown","item_list_name":"search_results","item_name":"paz_ket_oil_on_canvas","item_variant":"undefined"},{"item_id":"GIA4696629","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"unknown_artist","item_category5":"not_balown","item_list_name":"search_results","item_name":"optical_illusion_print","item_variant":"undefined"},{"item_id":"LLM664653","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_ghost_illusion_engraving","item_variant":"undefined"},{"item_id":"DGA3932187","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"bianco_aldo_del_b_1939","item_category5":"not_balown","item_list_name":"search_results","item_name":"illusion_of_clown_1977","item_variant":"undefined"},{"item_id":"PWI95100","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"vieira_da_silva_maria_elena_1908_92","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_great_blue_room_1951_oil_on_canvas","item_variant":"undefined"},{"item_id":"LLM3097807","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"rabier_benjamin_1869_1939","item_category5":"not_balown","item_list_name":"search_results","item_name":"illusion_colour_litho","item_variant":"undefined"},{"item_id":"GIA4696628","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"unknown_artist","item_category5":"not_balown","item_list_name":"search_results","item_name":"optical_illusion_print","item_variant":"undefined"},{"item_id":"GIA4696640","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"unknown_artist","item_category5":"not_balown","item_list_name":"search_results","item_name":"opitcal_illusion_print","item_variant":"undefined"},{"item_id":"EPL6862669","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"optical_illusion_ghost","item_variant":"undefined"},{"item_id":"JPU244046","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"pullen_jeff_b_1948","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_illusion_is_real_2004_mixed_media","item_variant":"undefined"},{"item_id":"NUM118949","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"yvaral_vasarely_jean_pierre_1934_2002","item_category5":"not_balown","item_list_name":"search_results","item_name":"quadri_structure_no_91_1970","item_variant":"undefined"},{"item_id":"UIG2911864","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"optical_illusion_disc","item_variant":"undefined"},{"item_id":"XRD1737287","item_category":"film_still","item_category2":"no_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"la_grande_illusion_1937_film_still","item_variant":"undefined"},{"item_id":"CMT356806","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"carpet_design_w_c_on_paper","item_variant":"undefined"},{"item_id":"LLR5236385","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_decapitated_princess_explanation_of_the_illusion_litho","item_variant":"undefined"},{"item_id":"XBP231812","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_school_19th_century","item_category5":"balown","item_list_name":"search_results","item_name":"optical_flower_puzzle_quilt_1854_silk","item_variant":"undefined"},{"item_id":"EPL7041215","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"luini_bernardino_c_1480_1532_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_illusion_of_cephalus_by_bernardino_luini","item_variant":"undefined"},{"item_id":"XRD1699440","item_category":"film_still","item_category2":"no_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"la_grande_illusion_1937_film_still","item_variant":"undefined"},{"item_id":"FFA149865","item_category":"photo","item_category2":"in_copyright","item_category3":"standard","item_category4":"hoch_hannah_1889_1978","item_category5":"not_balown","item_list_name":"search_results","item_name":"double_vision_c_1928_collage","item_variant":"undefined"},{"item_id":"PSZ54902","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"szumowski_peter","item_category5":"not_balown","item_list_name":"search_results","item_name":"recession","item_variant":"undefined"},{"item_id":"UIG5310282","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_twin_magic_lantern_engraving","item_variant":"undefined"},{"item_id":"PFH1183832","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"duck_rabbit_optical_illusion_illustration_from_fliegende_blatter_1892_print","item_variant":"undefined"},{"item_id":"UIG5311353","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_engraving_depicting_a_method_of_using_a_camera_obscura_as_a_drawing_aid_19th_century","item_variant":"undefined"},{"item_id":"LLR5236412","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_served_head_that_sings_m_alher_s_clever_illusion_litho","item_variant":"undefined"},{"item_id":"KCP395964","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"campbell_pedersen_kathrine","item_category5":"not_balown","item_list_name":"search_results","item_name":"night_and_day_star_2009_acrylic_on_canvas","item_variant":"undefined"},{"item_id":"SZT6313122","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"scherl","item_category5":"not_balown","item_list_name":"search_results","item_name":"hovering_women_in_a_vaudeville_c_1905_b_w_photo","item_variant":"undefined"},{"item_id":"LIP1048294","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"illusion_produced_by_a_ride_in_the_haunted_swing_litho","item_variant":"undefined"},{"item_id":"NUM117535","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"yvaral_vasarely_jean_pierre_1934_2002","item_category5":"not_balown","item_list_name":"search_results","item_name":"ambiguous_structure_no_51_1969_oil_on_canvas","item_variant":"undefined"},{"item_id":"TAD1749128","item_category":"film_still","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"la_grande_illusion_directed_by_jean_renoir_1937","item_variant":"undefined"},{"item_id":"UIG3524506","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"optical_illusion_of_a_ghostly_figure","item_variant":"undefined"},{"item_id":"IMA1560719","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"davies_arthur_bowen_1862_1928","item_category5":"not_balown","item_list_name":"search_results","item_name":"doorway_to_illusion_etching_and_aquatint","item_variant":"undefined"},{"item_id":"PWI96051","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"toyen_marie_cerminova_1902_80","item_category5":"not_balown","item_list_name":"search_results","item_name":"at_the_chateau_lacoste_1946_oil_on_canvas","item_variant":"undefined"},{"item_id":"DAM183997","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"stella_frank_b_1936","item_category5":"not_balown","item_list_name":"search_results","item_name":"river_of_ponds_ii_1971_8_colour_litho","item_variant":"undefined"},{"item_id":"FGL6203004","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"history_of_photograph_and_cinema_the_toy_called_thaumatropio","item_variant":"undefined"},{"item_id":"PWI94669","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_15th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"dummy_window_in_the_entrance_facade_with_a_figure_of_a_woman_looking_out_possibly_the_wife_of_jacque","item_variant":"undefined"},{"item_id":"PNP261482","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"pirates_attempting_to_foil_a_us_navy_ship_by_posing_as_an_innocent_merchant_vessel_colour_litho","item_variant":"undefined"},{"item_id":"PNP269033","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"titlepage_of_the_tryals_of_captain_john_rackham_and_other_pirates_published_in_1721_litho","item_variant":"undefined"},{"item_id":"TEP409793","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"thorburn_ray_b_1937","item_category5":"not_balown","item_list_name":"search_results","item_name":"modular_13_series_2_1970_acrylic_on_hardboard","item_variant":"undefined"},{"item_id":"BL4473208","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"with_j_n_maskelyne_s_compliments_c_1875_engraving","item_variant":"undefined"},{"item_id":"FGL6203003","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"history_of_photograph_and_cinema_the_toy_called_thaumatropio","item_variant":"undefined"},{"item_id":"BAL35771","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"leemans_antonius_1631_73","item_category5":"not_balown","item_list_name":"search_results","item_name":"trompe_l_oeil_with_a_fowler_s_bird_cage_and_whistle_17th_century","item_variant":"undefined"},{"item_id":"JRG7232334","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"galloway_jasper_b_1971","item_category5":"not_balown","item_list_name":"search_results","item_name":"use_your_illusion_painting","item_variant":"undefined"},{"item_id":"EPL7007534","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"pepper_s_ghost_illusion_1882","item_variant":"undefined"},{"item_id":"SC27772","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"flemish_school_16th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"ms_134_illuminated_letter_a_and_side_border_of_flowers_from_a_book_of_hours_c_1500","item_variant":"undefined"},{"item_id":"NUM130978","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"vasarely_victor_1906_97","item_category5":"not_balown","item_list_name":"search_results","item_name":"untitled_screenprint","item_variant":"undefined"},{"item_id":"LLM3622262","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"effects_of_the_fata_morgana_engraving","item_variant":"undefined"},{"item_id":"ACO106872","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"vasarely_victor_1906_97","item_category5":"not_balown","item_list_name":"search_results","item_name":"bi_vega_1974_screenprint","item_variant":"undefined"},{"item_id":"LLM3628872","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"european_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_spectre_an_optical_illusion_engraving","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"illusion","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":3587,"search_results_page_number":1}