{"product_id":"vintage-blue-enamel-guilloche-bar-pin","title":"Vintage Blue Enamel Guilloche Bar Pin","description":"\u003cp dir=\"ltr\"\u003eA slender bar brooch finished in vivid cobalt enamel over a hand-engraved wave pattern, its color still saturated and glassy after decades. The gold-tone frame is simple, letting the enamel work carry the piece, and the pin closure keeps it secure at a collar or lapel. A small, well-made accent piece with genuine early craftsmanship.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eMaterials: Guilloche enamel over gold-tone metal\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eDetails:\u003cbr\u003eEra: 1930s–1940s\u003cbr\u003eStyle \/ design notes: Bar pin with engraved wave-and-dot guilloche pattern beneath translucent blue enamel, pin closure\u003cbr\u003eFunction: Brooch\/bar pin\u003cbr\u003eColor: Cobalt blue enamel, gold-tone frame\u003cbr\u003eCondition: Good vintage condition, please see photos\u003cbr\u003eMeasurement: 0.7\" x 0.25\"\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eCollected by Mineral and Matter\u003c\/p\u003e","brand":"Mineral and Matter","offers":[{"title":"Default Title","offer_id":49394895061227,"sku":null,"price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0345\/9569\/files\/Bluepin_2.png?v=1789162091","url":"https:\/\/mineralandmatter.com\/products\/vintage-blue-enamel-guilloche-bar-pin","provider":"Mineral and Matter","version":"1.0","type":"link"}