{"current_listings":[{"buy_url":"https://birkinbagstock.com/go/my-gemma-156653","currency":"USD","detail_url":"https://birkinbagstock.com/listing/my-gemma-156653","id":"my-gemma-156653","merchant":"My Gemma","price":9200,"title":"Herm\u00e8s Rouge Casaque Swift Constance 18 GHW"},{"buy_url":"https://birkinbagstock.com/go/luxe-du-jour-1338095","currency":"USD","detail_url":"https://birkinbagstock.com/listing/luxe-du-jour-1338095","id":"luxe-du-jour-1338095","merchant":"Luxe Du Jour","price":7575,"title":"Hermes Rouge Casaque Swift Constance 18"},{"buy_url":"https://birkinbagstock.com/go/fp-1948982","currency":"USD","detail_url":"https://birkinbagstock.com/listing/fp-1948982","id":"fp-1948982","merchant":"Fashionphile","price":8810,"title":"Herm\u00e8s Swift Crinoline Constance 24 Rouge Casaque"}],"data_url":"https://birkinbagstock.com/data/price-history/rouge-casaque-swift-constance.json","filters":{"color":"Rouge Casaque","leather":"Swift","sort":"newest","style":"constance"},"generated_at":"2026-09-30T07:09:05.277893+00:00","history":{"change":0,"change_label":"$0","change_pct":0.0,"current_listings":3,"data_url":"/data/price-history/rouge-casaque-swift-constance.json","direction":"flat","events":[],"first_date":"2026-09-30","first_median_price":8810,"first_median_price_label":"$8,810","history":[{"date":"2026-09-30","day":"20260930","max_price":9200,"max_price_label":"$9,200","median_price":8810,"median_price_label":"$8,810","min_price":7575,"min_price_label":"$7,575","sample":3}],"history_url":"/price-history/rouge-casaque-swift-constance","label":"Birkin Rouge Casaque Swift","last_date":"2026-09-30","last_median_price":8810,"last_median_price_label":"$8,810","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":"rouge-casaque-swift-constance","status":"one_point","summary":"Birkin Rouge Casaque Swift median first captured at $8,810 on 2026-09-30."},"license":"Public citation dataset. Attribute BirkinBagStock.com and verify merchant prices before purchase.","slug":"rouge-casaque-swift-constance","source":"BirkinBagStock.com","title":"Constance Rouge Casaque Swift \u2014 Live Inventory Across Verified Resellers","url":"https://birkinbagstock.com/price-history/rouge-casaque-swift-constance"}