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The median series is descriptive asking-price intelligence, not an appraisal or completed-sale index.","observations":60,"sample_listings":22,"slug":"birkin-25-permabrass-hardware","status":"ok","summary":"Birkin 25 Permabrass hardware median ask is unchanged since 2026-05-30."},"license":"Public citation dataset. Attribute BirkinBagStock.com and verify merchant prices before purchase.","slug":"birkin-25-permabrass-hardware","source":"BirkinBagStock.com","title":"Birkin 25 with Permabrass Hardware","url":"https://birkinbagstock.com/price-history/birkin-25-permabrass-hardware"}