{"data_url":"https://birkinbagstock.com/data/listing-price-history/my-grandfathers-things-15401057058979.json","generated_at":"2026-10-11T06:09:02.900128+00:00","license":"Public citation dataset. Attribute BirkinBagStock.com and verify merchant prices before purchase.","listing":{"buy_url":"https://birkinbagstock.com/go/my-grandfathers-things-15401057058979","color":"Black","condition":"Pre-owned","currency":"USD","detail_url":"https://birkinbagstock.com/listing/my-grandfathers-things-15401057058979","hardware":null,"id":"my-grandfathers-things-15401057058979","leather":null,"merchant":"My Grandfather\u2019s Things","price":10203,"size":28,"title":"Herm\u00e8s Chisato, 1991 Kelly 28 Sellier Black Boxcalf with stamp \u3007U"},"price_history":{"change":0,"change_label":"$0","change_pct":0.0,"data_url":"/data/listing-price-history/my-grandfathers-things-15401057058979.json","direction":"flat","events":[],"first_date":"2026-10-11","first_price":10203,"first_price_label":"$10,203","history":[{"date":"2026-10-11","day":"20261011","price":10203,"price_label":"$10,203"}],"label":"Herm\u00e8s Chisato, 1991 Kelly 28 Sellier Black Boxcalf with stamp \u3007U","largest_drop":null,"largest_increase":null,"last_date":"2026-10-11","last_price":10203,"last_price_label":"$10,203","listing_id":"my-grandfathers-things-15401057058979","observations":1,"status":"one_point","summary":"First captured at $10,203 on 2026-10-11."},"source":"BirkinBagStock.com","url":"https://birkinbagstock.com/listing/my-grandfathers-things-15401057058979"}