{"product_id":"petoskey-stone-brooch-michigan","title":"Petoskey Stone Brooch Michigan Fossil Coral Vintage Pin","description":"\u003cp\u003eThis Petoskey Stone brooch is a polished Michigan fossil coral pin made from Hexagonaria percarinata with a gold tone metal safety clasp on the back.\u003c\/p\u003e\n\u003cp\u003eThe rounded stone has a glossy polished face with a clear coral cell pattern, while the back remains partly natural and shows aged amber colored adhesive around the attached pin finding.\u003c\/p\u003e\n\u003cp\u003eIt is a small piece of Michigan regional jewelry that works well in a fossil collection, lapidary jewelry group, or Great Lakes keepsake display.\u003c\/p\u003e\n\u003ch2\u003eDetails\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e \u003ca href=\"https:\/\/myreadingvintage.com\/collections\/pins-and-provenance\" title=\"Petoskey stone brooch\"\u003ePetoskey stone brooch\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Type:\u003c\/strong\u003e Polished fossil coral pin brooch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEra:\u003c\/strong\u003e Not confirmed from photos\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterials:\u003c\/strong\u003e Petoskey stone fossil coral, gold tone metal pin finding, adhesive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Brown and cream stone with gold tone metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaker and Mark:\u003c\/strong\u003e No visible maker's mark\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePattern or Model:\u003c\/strong\u003e Natural Hexagonaria percarinata coral cell pattern\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Michigan regional fossil jewelry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approximately 1 1\/4 inches at the longest point by 1 inch wide. Product weight approximately 0.4 ounce\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecial Features:\u003c\/strong\u003e Polished fossil face, natural texture visible on the back, mounted brooch finding with rollover safety clasp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCondition Grade: Very Good\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePositives\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraded Very Good:\u003c\/strong\u003e The brooch remains complete and wearable, with light age related wear visible on the mounting hardware and adhesive.\u003c\/li\u003e\n\u003cli\u003eThe polished front retains a glossy surface and shows the tightly packed fossil coral cells clearly across most of the stone.\u003c\/li\u003e\n\u003cli\u003eThe brooch finding remains attached, and the rollover safety clasp and pin stem are present.\u003c\/li\u003e\n\u003cli\u003eThe irregular rounded shape keeps the natural form of the stone rather than making it look like a uniform manufactured cabochon.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIssues \/ Wear\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe gold tone metal finding shows age related darkening and surface wear.\u003c\/li\u003e\n\u003cli\u003eAmber colored aged adhesive is visible around the metal mounting plate on the back.\u003c\/li\u003e\n\u003cli\u003eThe unpolished back shows the natural rough texture and color variation of the fossil stone.\u003c\/li\u003e\n\u003cli\u003eSmall surface marks are visible on the polished face under close light.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCondition Grade Key\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNear Fine:\u003c\/strong\u003e Close to new. Any flaw is small and named above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVery Good:\u003c\/strong\u003e Light use. Every flaw is named above, and none of them get in the way of reading or display.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood:\u003c\/strong\u003e Complete and usable, with clear signs of use. Every flaw is named above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFair:\u003c\/strong\u003e Heavy wear or damage, named above. A reading or working copy, not a display piece.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCollector's Notes\u003c\/h3\u003e\n\u003cp\u003eThis example is worth noticing for the contrast between the glossy polished front and the more natural fossil texture left visible on the back. The aged amber adhesive and simple metal safety clasp also show how the stone was mounted rather than hiding the construction.\u003c\/p\u003e\n\u003cp\u003eIt is a small, straightforward piece with the fossil pattern doing most of the work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping + Trust (Reading Vintage standards)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/myreadingvintage.com\/pages\/shipping-policy\"\u003ePhoto-verified condition\u003c\/a\u003e, no surprises\u003c\/li\u003e\n\u003cli\u003ePacked with care. Glass and fragile pieces get extra cushioning\u003c\/li\u003e\n\u003cli\u003eShips in 2 business days\u003c\/li\u003e\n\u003cli\u003eFree Shipping on $35+ (U.S. only)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAll items are vintage and may show signs of age, wear, or use consistent with their history. Photos show the exact condition of each piece, please review them carefully, as they are part of the description.\u003c\/p\u003e\n\u003cp\u003eI do my best to capture colors accurately, but your monitor or device screen may display colors slightly differently from the actual item.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese pieces come from estate collections and have been surface cleaned. You may wish to perform additional cleaning depending on your preference.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/myreadingvintage.com\/pages\/about-reading-vintage\"\u003eHow Reading Vintage sources and grades every piece\u003c\/a\u003e\u003c\/p\u003e","brand":"Orders $35+ Ship Free","offers":[{"title":"Default Title","offer_id":49236686536959,"sku":"F3 – T 10–3439","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2503\/7976\/files\/Petoskey_stone_brooch.jpg?v=1789676546","url":"https:\/\/myreadingvintage.com\/products\/petoskey-stone-brooch-michigan","provider":"Reading Vintage","version":"1.0","type":"link"}