{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"PST2907226","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"knight_alick_fl_1952","item_category5":"not_balown","item_list_name":"search_results","item_name":"guide_to_all_post_office_services_and_charges_on_sale_here_price_2_6_1956_colour_litho","item_variant":"undefined"},{"item_id":"PST2907273","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"knight_alick_fl_1952","item_category5":"not_balown","item_list_name":"search_results","item_name":"post_your_christmas_mail_early_for_europe_1959_colour_litho","item_variant":"undefined"},{"item_id":"PST2907195","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"knight_alick_fl_1952","item_category5":"not_balown","item_list_name":"search_results","item_name":"remember_inland_postcards_need_a_2d_stamp_1955_colour_litho","item_variant":"undefined"},{"item_id":"PST2907227","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"knight_alick_fl_1952","item_category5":"not_balown","item_list_name":"search_results","item_name":"guide_to_all_post_office_services_and_charges_on_sale_here_price_2_6_1956_colour_litho","item_variant":"undefined"},{"item_id":"PST2907245","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"knight_alick_fl_1952","item_category5":"not_balown","item_list_name":"search_results","item_name":"london_post_offices_and_streets_march_1958_for_correct_addresses_on_sale_at_post_offices_1958_colour","item_variant":"undefined"},{"item_id":"PST2907138","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"knight_alick_fl_1952","item_category5":"not_balown","item_list_name":"search_results","item_name":"minimum_inland_printed_paper_rate_1_1_2d_1952_colour_litho","item_variant":"undefined"},{"item_id":"PST2907310","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"knight_alick_fl_1952","item_category5":"not_balown","item_list_name":"search_results","item_name":"post_office_guide_to_all_charges_and_services_1961_colour_litho","item_variant":"undefined"},{"item_id":"PST2907275","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"knight_alick_fl_1952","item_category5":"not_balown","item_list_name":"search_results","item_name":"please_remember_to_include_your_postal_code_in_your_address_at_all_times_1960_colour_litho","item_variant":"undefined"},{"item_id":"PST2907137","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"knight_alick_fl_1952","item_category5":"not_balown","item_list_name":"search_results","item_name":"minimum_inland_printed_paper_rate_1_1_2d_1952_colour_litho","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":9,"search_results_page_number":1}