{"current_listings":[{"buy_url":"https://birkinbagstock.com/go/keeks-CSFHU6-11796","currency":"USD","detail_url":"https://birkinbagstock.com/listing/keeks-CSFHU6-11796","id":"keeks-CSFHU6-11796","merchant":"Keeks Designer Handbags","price":11999,"title":"Herm\u00e8s Constance 24 Swift 2016 Black/Gold"},{"buy_url":"https://birkinbagstock.com/go/luxe-du-jour-1059838","currency":"USD","detail_url":"https://birkinbagstock.com/listing/luxe-du-jour-1059838","id":"luxe-du-jour-1059838","merchant":"Luxe Du Jour","price":11400,"title":"Hermes Noir Swift Marble Constance 24"},{"buy_url":"https://birkinbagstock.com/go/fp-1975698","currency":"USD","detail_url":"https://birkinbagstock.com/listing/fp-1975698","id":"fp-1975698","merchant":"Fashionphile","price":10295,"title":"Herm\u00e8s Swift Toile Constance 24 Bleu Saphir Black Ecru"},{"buy_url":"https://birkinbagstock.com/go/madison-avenue-H-C-251208-1-YB","currency":"USD","detail_url":"https://birkinbagstock.com/listing/madison-avenue-H-C-251208-1-YB","id":"madison-avenue-H-C-251208-1-YB","merchant":"Madison Avenue Couture","price":18500,"title":"Herm\u00e8s Pre-owned Hermes Constance 24 Toile De Camp D\u00e9cha\u00een\u00e9e and Black Swift Palladium Hardware"}],"data_url":"https://birkinbagstock.com/data/price-history/constance-24-black-swift.json","filters":{"color":"Black","leather":"Swift","size":24,"sort":"newest","style":"constance"},"generated_at":"2026-09-29T12:32:43.102074+00:00","history":{"change":0,"change_label":"$0","change_pct":0.0,"current_listings":4,"data_url":"/data/price-history/constance-24-black-swift.json","direction":"flat","events":[],"first_date":"2026-09-29","first_median_price":11700,"first_median_price_label":"$11,700","history":[{"date":"2026-09-29","day":"20260929","max_price":18500,"max_price_label":"$18,500","median_price":11700,"median_price_label":"$11,700","min_price":10295,"min_price_label":"$10,295","sample":4}],"history_url":"/price-history/constance-24-black-swift","label":"Birkin 24 Black Swift","last_date":"2026-09-29","last_median_price":11700,"last_median_price_label":"$11,700","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":4,"slug":"constance-24-black-swift","status":"one_point","summary":"Birkin 24 Black Swift median first captured at $11,700 on 2026-09-29."},"license":"Public citation dataset. Attribute BirkinBagStock.com and verify merchant prices before purchase.","slug":"constance-24-black-swift","source":"BirkinBagStock.com","title":"Constance 24 Black Swift \u2014 Live Inventory Across Verified Resellers","url":"https://birkinbagstock.com/price-history/constance-24-black-swift"}