{"data_url":"https://birkinbagstock.com/data/listing-price-history/madison-avenue-H-C-260601-1-NV.json","generated_at":"2026-09-04T08:52:36.068089+00:00","license":"Public citation dataset. Attribute BirkinBagStock.com and verify merchant prices before purchase.","listing":{"buy_url":"https://birkinbagstock.com/go/madison-avenue-H-C-260601-1-NV","color":"Black","condition":"Pre-owned","currency":"USD","detail_url":"https://birkinbagstock.com/listing/madison-avenue-H-C-260601-1-NV","hardware":null,"id":"madison-avenue-H-C-260601-1-NV","leather":null,"merchant":"Madison Avenue Couture","price":20500,"size":18,"title":"Hermes Constance 18 Black Box Aventurine Hardware"},"price_history":{"change":0,"change_label":"$0","change_pct":0.0,"data_url":"/data/listing-price-history/madison-avenue-H-C-260601-1-NV.json","direction":"flat","events":[],"first_date":"2026-09-04","first_price":20500,"first_price_label":"$20,500","history":[{"date":"2026-09-04","day":"20260904","price":20500,"price_label":"$20,500"}],"label":"Hermes Constance 18 Black Box Aventurine Hardware","largest_drop":null,"largest_increase":null,"last_date":"2026-09-04","last_price":20500,"last_price_label":"$20,500","listing_id":"madison-avenue-H-C-260601-1-NV","observations":1,"status":"one_point","summary":"First captured at $20,500 on 2026-09-04."},"source":"BirkinBagStock.com","url":"https://birkinbagstock.com/listing/madison-avenue-H-C-260601-1-NV"}