{"current_listings":[{"buy_url":"https://birkinbagstock.com/go/love-luxury-44611ef9c83b","currency":"USD","detail_url":"https://birkinbagstock.com/listing/love-luxury-44611ef9c83b","id":"love-luxury-44611ef9c83b","merchant":"Love Luxury","price":22500,"title":"Herm\u00e8s Constance 18 Noir \u2013 Black Ostrich Rose Gold Hardware"},{"buy_url":"https://birkinbagstock.com/go/lux-addicts-8489892282524","currency":"USD","detail_url":"https://birkinbagstock.com/listing/lux-addicts-8489892282524","id":"lux-addicts-8489892282524","merchant":"Lux Addicts","price":17995,"title":"HERMES Constance 18 Mini Black Noir Ostrich Leather Gold Hardware RARE"},{"buy_url":"https://birkinbagstock.com/go/madison-avenue-H-C-260520-1-VN","currency":"USD","detail_url":"https://birkinbagstock.com/listing/madison-avenue-H-C-260520-1-VN","id":"madison-avenue-H-C-260520-1-VN","merchant":"Madison Avenue Couture","price":24500,"title":"Herm\u00e8s Pre-owned Hermes Constance 18 Black Ostrich Rose Gold Hardware"}],"data_url":"https://birkinbagstock.com/data/price-history/constance-18-black-ostrich.json","filters":{"color":"Black","leather":"Ostrich","size":18,"sort":"newest","style":"constance"},"generated_at":"2026-09-06T08:00:09.892337+00:00","history":{"change":0,"change_label":"$0","change_pct":0.0,"current_listings":3,"data_url":"/data/price-history/constance-18-black-ostrich.json","direction":"flat","events":[],"first_date":"2026-09-06","first_median_price":22500,"first_median_price_label":"$22,500","history":[{"date":"2026-09-06","day":"20260906","max_price":24500,"max_price_label":"$24,500","median_price":22500,"median_price_label":"$22,500","min_price":17995,"min_price_label":"$17,995","sample":3}],"history_url":"/price-history/constance-18-black-ostrich","label":"Birkin 18 Black Ostrich","last_date":"2026-09-06","last_median_price":22500,"last_median_price_label":"$22,500","methodology":"Spec history uses daily captured prices for the current visible cohort of live listings. The median series is descriptive asking-price intelligence, not an appraisal or completed-sale index.","observations":1,"sample_listings":3,"slug":"constance-18-black-ostrich","status":"one_point","summary":"Birkin 18 Black Ostrich median first captured at $22,500 on 2026-09-06."},"license":"Public citation dataset. Attribute BirkinBagStock.com and verify merchant prices before purchase.","slug":"constance-18-black-ostrich","source":"BirkinBagStock.com","title":"Constance 18 Black Ostrich \u2014 Live Inventory Across Verified Resellers","url":"https://birkinbagstock.com/price-history/constance-18-black-ostrich"}