{"product_id":"sbm-konigsberg-baltic-amber-brooch-935-silver-modernist-pin-staatliche-bernstein-manufaktur","title":"SBM Königsberg Baltic Amber Brooch, 935 Silver Modernist Pin, Staatliche Bernstein-Manufaktur","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eA collectible modernist brooch by the Staatliche Bernstein-Manufaktur (SBM), Königsberg, dating to the late Art Deco \/ early modernist period (circa 1930s–early 1940s). It features a polished natural Baltic amber plaque set in an 835 silver mount designed as a stylised tree leaf. The brooch is marked “935” and signed “SBM.” The model is documented in Die Staatliche Bernstein-Manufaktur Königsberg 1926–1945 by Ulf Erichson \u0026amp; Leonhard Tomczyk.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eMeasurements\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Length: 6.5 cm \/ 2.56 in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Width: 3.5 cm \/ 1.38 in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Amber plaque: 5 × 3 cm \/ 1.97 × 1.18 in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Weight: 10.5 g \/ 0.37 oz\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCondition: Good vintage condition with light wear consistent with age. The amber has a small edge chip near the upper mount, visible on close inspection; this is purely cosmetic and does not affect stability.\u003c\/span\u003e\u003c\/p\u003e","brand":"The Art \u0026 Chaos","offers":[{"title":"Default Title","offer_id":52820281721175,"sku":null,"price":420.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/9571\/8999\/files\/ChatGPTImageFeb18_2026at03_17_07PM.png?v=1771431231","url":"https:\/\/theartandchaos.com\/products\/sbm-konigsberg-baltic-amber-brooch-935-silver-modernist-pin-staatliche-bernstein-manufaktur","provider":"The Art \u0026 Chaos","version":"1.0","type":"link"}