{"product_id":"vintage-mouth-harp-with-amplifying-attachment-patent-no-1857400-20260611","title":"Lot 043 - Vintage Mouth Harp with Amplifying Attachment, Patent No. 1857400, 5-3\/4\" H","description":"Vintage mouth harp (jaw harp) fitted with a conical metal amplifying attachment. The instrument consists of a mouth harp with frame, reed, and loop, mounted at the narrow end of a single conical metal bell. Stamped \"PAT.1857400.\" The metal surfaces show rust, oxidation, and scattered scratches throughout.","brand":"Granite Union Auction Company","offers":[{"title":"Default Title","offer_id":52790946365729,"sku":"20260611-LOT043","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0073\/9101\/9067\/files\/20260611-0238_65d799ba-2b5a-4658-a55d-b55b9e774694.jpg?v=1780322709","url":"https:\/\/graniteunionauction.com\/products\/vintage-mouth-harp-with-amplifying-attachment-patent-no-1857400-20260611","provider":"Granite Union Auction Company","version":"1.0","type":"link"}