{"product_id":"edwardian-ostby-barton-14k-two-tone-gold-sapphire-and-pearl-filigree-bar-brooch","title":"Edwardian Ostby \u0026 Barton 14k Two Tone Gold, Sapphire, and Pearl Filigree Bar Brooch","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCreated circa 1910 by the celebrated American jewelry firm Ostby \u0026amp; Barton, this refined Edwardian bar brooch exemplifies the grace and exceptional craftsmanship of the early twentieth century. Founded in Providence, Rhode Island, in 1879 by Engelhard Ostby and Nathan B. Barton, the company became renowned for its finely executed gold jewelry and intricate die-struck designs. Pieces bearing the coveted \"OB\" maker's mark are especially admired by collectors, not only for their quality but also for their historical significance. Engelhard Ostby was among the passengers who perished aboard the RMS \u003c\/span\u003e\u003cspan\u003eTitanic\u003c\/span\u003e\u003cspan\u003e in 1912, lending surviving examples of the firm's work an enduring place in American jewelry history.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eExpertly fashioned in 14k yellow and white gold, the brooch showcases the delicate filigree and airy elegance that defined the Edwardian aesthetic. At its center rests a vibrant round sapphire weighing approximately 0.15 carat, flanked by two luminous seed pearls. The harmonious pairing of sapphire and pearls, symbols of wisdom, sincerity, and purity, was especially fashionable during the Edwardian era, while the slender bar form reflected the period's preference for refined, understated sophistication. Beautifully preserved, this brooch is both a wearable work of art and an exceptional example of one of America's most esteemed historic jewelers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• Circa 1910\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• Otsby \u0026amp; Barton “OB” maker's mark\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• 14k yellow and white gold, stamped 14k\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• One round sapphire, weighing approximately 0.15 carat, accented by two seed pearls\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• Measures 2 ¼ x 5\/16 in.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• Estimated gross weight: 3.3 grams\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• Good vintage condition, with wear in the form of minor scratches, patina, and wear appropriate with age\u003c\/span\u003e\u003c\/p\u003e","brand":"Clover Collective Antiques","offers":[{"title":"Default Title","offer_id":48944303472823,"sku":"349","price":615.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/3830\/0599\/files\/9169DCA3-DBED-45D4-8D88-D3645963844C.jpg?v=1785545388","url":"https:\/\/clovercollectiveantiques.com\/products\/edwardian-ostby-barton-14k-two-tone-gold-sapphire-and-pearl-filigree-bar-brooch","provider":"Clover Collective Antiques","version":"1.0","type":"link"}