{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"RMU3861645","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"gluck_christoph_willibald","item_variant":"undefined"},{"item_id":"XAM67286","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"duplessis_joseph_siffred_1725_1802","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_1714_87_at_the_spinet_1775_oil_on_canvas","item_variant":"undefined"},{"item_id":"EPL6883086","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"willibald_pirkheimer","item_variant":"undefined"},{"item_id":"XLE3753035","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_s","item_variant":"undefined"},{"item_id":"XLE3750824","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"XLE3777082","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"XLE3749768","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_photographer_20th_century","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"XLE3767721","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"XLE3750810","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_at","item_variant":"undefined"},{"item_id":"EPL6885366","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"durer_or_duerer_albrecht_1471_1528_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"willibald_pirkheimer_2","item_variant":"undefined"},{"item_id":"XLA3757479","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"willibald_alexis_portrait","item_variant":"undefined"},{"item_id":"XLE3763916","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"XLE3761836","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"SZT2182979","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"EPL6800352","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"XLE3766955","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"EPL6819427","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"EPL6819422","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"EPL6819432","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"EPL6884838","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"willibald_pirkheimer_1","item_variant":"undefined"},{"item_id":"JAB7141237","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"saint_aubin_augustin_de_1736_1807_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_1878_engraving","item_variant":"undefined"},{"item_id":"LLM3631268","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":"christoph_willibald_gluck_engraving","item_variant":"undefined"},{"item_id":"UIG3499764","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"duplessis_joseph_siffred_1725_1802","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_1775","item_variant":"undefined"},{"item_id":"XLE3761848","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_von_gluck","item_variant":"undefined"},{"item_id":"XLE3769204","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_engraving","item_variant":"undefined"},{"item_id":"XLE3766663","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_s","item_variant":"undefined"},{"item_id":"XLE3777675","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_von_gluck","item_variant":"undefined"},{"item_id":"ELS9067267","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"durer_or_duerer_albrecht_1471_1528","item_category5":"not_balown","item_list_name":"search_results","item_name":"willibald_pirckheimer_1524_engraving","item_variant":"undefined"},{"item_id":"PRX3125140","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"holbein_hans_the_elder_1460_5_1524","item_category5":"not_balown","item_list_name":"search_results","item_name":"st_willibald_lucia_and_katharina","item_variant":"undefined"},{"item_id":"XLE3769269","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_s","item_variant":"undefined"},{"item_id":"FLO6039963","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"bry_theodor_de_1528_98","item_category5":"not_balown","item_list_name":"search_results","item_name":"willibald_pirckheimer_german_lawyer","item_variant":"undefined"},{"item_id":"XLE3768791","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_s","item_variant":"undefined"},{"item_id":"LLM8632085","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"willibald_pirkheimer_pirckheimer_engraving","item_variant":"undefined"},{"item_id":"XLE3763742","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_engraving","item_variant":"undefined"},{"item_id":"PNB8920680","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist","item_category5":"not_balown","item_list_name":"search_results","item_name":"franz_willibald_nusshard_print","item_variant":"undefined"},{"item_id":"XLE3752877","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_s","item_variant":"undefined"},{"item_id":"XLE3767722","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_s","item_variant":"undefined"},{"item_id":"XLE3777672","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_von_gluck","item_variant":"undefined"},{"item_id":"XLE3766443","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_s","item_variant":"undefined"},{"item_id":"LLM3632733","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":"christoph_willibald_ritter_von_gluck_1714_1787_signature_engraving","item_variant":"undefined"},{"item_id":"LAL957378","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"gluck_appeared_in_london_at_a_concerto_playing_26_water_filled_glasses_colour_litho","item_variant":"undefined"},{"item_id":"DGA2579418","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"title_page_of_the_first_edition_of_the_tragedy_iphigenia_at_aulis_by_christoph_willibald_gluck_1714_","item_variant":"undefined"},{"item_id":"LLE814183","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_german_opera_composer_of_the_early_classical_period_1714_1787_engraving","item_variant":"undefined"},{"item_id":"UIG3728217","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"johann_heinrich_christoph_willibald_beyschlag","item_variant":"undefined"},{"item_id":"XLE3759055","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"armide_opera_by_christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"DGA768458","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"handwritten_score_for_semiramide_riconosciuta_semiramis_recognized_by_christoph_willibald_gluck_1714","item_variant":"undefined"},{"item_id":"XLE3765504","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_bohemian_german","item_variant":"undefined"},{"item_id":"LLM3632737","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":"christoph_willibald_ritter_von_gluck_1714_1787_engraving","item_variant":"undefined"},{"item_id":"DGA768459","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"handwritten_score_for_festival_of_apollo_by_christoph_willibald_gluck_1714_1787","item_variant":"undefined"},{"item_id":"LLM665250","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":"christophe_willibald_ritter_von_gluck_engraving","item_variant":"undefined"},{"item_id":"ELS9066959","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"durer_or_duerer_albrecht_1471_1528","item_category5":"not_balown","item_list_name":"search_results","item_name":"bookplate_of_willibald_pirckheimer_c_1502_woodcut","item_variant":"undefined"},{"item_id":"SZT2975809","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"willibald_brodmann_1922_b_w_photo","item_variant":"undefined"},{"item_id":"XEE4149182","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist","item_category5":"balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_before_the_queen_marie_antoinette_at_trianon_christoph_willibald_gluck_ger","item_variant":"undefined"},{"item_id":"DGA2579419","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"orpheus_and_eurydice_illustration_from_the_first_edition_of_the_opera_of_the_same_name_by_christoph_","item_variant":"undefined"},{"item_id":"FGL5503574","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"burkner_hugo_1818_97","item_category5":"not_balown","item_list_name":"search_results","item_name":"willibald_pirckheimer_1470_1530_1854_engraving","item_variant":"undefined"},{"item_id":"KES6244899","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"stringer_str","item_category5":"not_balown","item_list_name":"search_results","item_name":"football_willibald_hahn_b_w_photo","item_variant":"undefined"},{"item_id":"SZT9228031","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"boehringer_k_j_active_c_1930_1940","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_copper_plate_print","item_variant":"undefined"},{"item_id":"SZT9228254","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"houdon_jean_antoine_1741_1828_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_copper_plate_print","item_variant":"undefined"},{"item_id":"GEG1783102","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_19th_century_engraving","item_variant":"undefined"},{"item_id":"XOS9010152","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"durer_or_duerer_albrecht_1471_1528_after","item_category5":"balown","item_list_name":"search_results","item_name":"willibald_pirckheimer_1524_1600_oil_on_panel","item_variant":"undefined"},{"item_id":"RMU7406909","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_photographer_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_christoph_willibald_gluck_1860s_print","item_variant":"undefined"},{"item_id":"PRX1002310","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_1884_90_phototype","item_variant":"undefined"},{"item_id":"LLE814180","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_german_opera_composer_of_the_early_classical_period_1714_1787_engraving","item_variant":"undefined"},{"item_id":"DGA769874","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"title_page_of_iphigeneia_in_aulis_by_christoph_willibald_gluck_1714_1787_paris_1779","item_variant":"undefined"},{"item_id":"XEE5027312","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"stefano_bianchetti","item_category5":"balown","item_list_name":"search_results","item_name":"portrait_of_christoph_willibald_knight_von_gluck_german_composer","item_variant":"undefined"},{"item_id":"BRQ3923148","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"lucienne_breval_in_christoph_willibald_gluck_s_armide_as_armida","item_variant":"undefined"},{"item_id":"CCI3434024","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"music_the_german_composer_christoph_willibald_gluck_illustration_austria_c_1910_postcard","item_variant":"undefined"},{"item_id":"FLO4564425","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"true_cinnamon_tree_or_ceylon_cinnamon_tree_cinnamomum_verum_laurus_cinnamomum_handcoloured_copperpla","item_variant":"undefined"},{"item_id":"FLO4564683","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"garlic_allium_sativum_handcoloured_copperplate_engraving_from_dr_willibald_artus_hand_atlas_sammtlic","item_variant":"undefined"},{"item_id":"LLE814181","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_gluck_german_opera_composer_of_the_early_classical_period_1714_1787_engraving","item_variant":"undefined"},{"item_id":"FLO4563749","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"worm_fern_dryopteris_filix_mas_aspidium_filix_mas_handcoloured_copperplate_engraving_from_dr_williba","item_variant":"undefined"},{"item_id":"ELS9198361","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"duplessis_joseph_siffred_1725_1802","item_category5":"not_balown","item_list_name":"search_results","item_name":"composer_christoph_willibald_gluck_at_the_spinet_gouache_on_parchment","item_variant":"undefined"},{"item_id":"EPL6933861","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"gluck_christoph_willibald_ritter_von_1714_1787","item_variant":"undefined"},{"item_id":"FLO4563842","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"frankincense_or_olibanum_tree_boswellia_sacra_boswellia_carterii_birdwood_handcoloured_copperplate_e","item_variant":"undefined"},{"item_id":"NGF476760","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"european_school_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"gluck_presents_his_first_opera_to_marie_antoinette_w_c_gouache_on_ivory","item_variant":"undefined"},{"item_id":"SZT716407","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"christoph_willibald_von_gluck_b_w_photo","item_variant":"undefined"},{"item_id":"XCL500096","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"houdon_jean_antoine_1741_1828","item_category5":"balown","item_list_name":"search_results","item_name":"portrait_of_christoph_willibald_gluck_c_1775_terracotta_on_marble_base","item_variant":"undefined"},{"item_id":"FLO4564323","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"anise_or_aniseed_pimpinella_anisum_handcoloured_copperplate_engraving_from_dr_willibald_artus_hand_a","item_variant":"undefined"},{"item_id":"DGA770552","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"a_dagli_orti","item_category5":"not_balown","item_list_name":"search_results","item_name":"set_design_created_by_maler_militz_for_the_performance_of_iphigeneia_in_aulis_iphigenie_en_aulis_fre","item_variant":"undefined"},{"item_id":"FLO4563646","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"almond_tree_prunus_dulcis_amygdalus_communis_handcoloured_copperplate_engraving_from_dr_willibald_ar","item_variant":"undefined"},{"item_id":"FLO4563668","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"garden_sage_salvia_officinalis_handcoloured_copperplate_engraving_from_dr_willibald_artus_hand_atlas","item_variant":"undefined"},{"item_id":"FLO4564645","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"olive_olea_europaea_handcoloured_copperplate_engraving_from_dr_willibald_artus_hand_atlas_sammtliche","item_variant":"undefined"},{"item_id":"FLO4564312","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"fennel_foeniculum_vulgare_foeniculum_officinale_handcoloured_copperplate_engraving_from_dr_willibald","item_variant":"undefined"},{"item_id":"FLO4564540","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"persian_walnut_or_english_walnut_juglans_regia_handcoloured_copperplate_engraving_from_dr_willibald_","item_variant":"undefined"},{"item_id":"FLO4564295","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"garden_angelica_or_wild_celery_angelica_archangelica_archangelica_officinalis_handcoloured_copperpla","item_variant":"undefined"},{"item_id":"TAD1760402","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"christophe_willibald_gluck_1714_1787_german_composer_engraving","item_variant":"undefined"},{"item_id":"MOX3919820","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"louise_homer_in_orfeo_ed_euridice_by_christoph_willibald_gluck","item_variant":"undefined"},{"item_id":"XIR211737","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"aubry_etienne_1745_81","item_category5":"balown","item_list_name":"search_results","item_name":"portrait_of_christoph_willibald_von_gluck_1714_87_1777_oil_on_canvas","item_variant":"undefined"},{"item_id":"PUT3916464","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"unknown_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"kathleen_ferrier_as_orfeo_in_christoph_willibald_gluck_s_opera_orfeo_ed_euridice","item_variant":"undefined"},{"item_id":"TRK3737329","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_christoph_willibald_gluck_1714_1787_1917_engraving","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"willibald","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":462,"search_results_page_number":1}