Vintage 875 Silver Clear Crystal Triple Circle Brooch Pin Prong Set Estate

Elegant vintage brooch featuring three overlapping circular motifs embellished with numerous round, clear faceted crystals. The stones are individually prong set around the open circular frames, creating a highly dimensional, sparkling statement design.  The reverse is visibly hallmarked “875,” indicating 87.5% silver fineness, and bears an additional stamped hallmark. The additional hallmark/maker’s mark is visible in the photos but has not been positively identified, so no maker, brand, country of origin, or exact age is attributed.  The brooch is finished with a long straight pin and hook-style catch on the reverse. A distinctive piece of vintage silver jewelry with an elegant geometric design suitable for a jacket, blazer, coat, scarf, dress, or jewelry collection.  Hallmarked 875 silver with what appears to be a Soviet-era assay mark and an additional maker/manufacturer stamp. The 875 mark denotes 87.5% silver. Exact maker and date have not been identified.  Features:  * Vintage brooch / pin * 875 silver * Clearly stamped 875 * Additional unidentified hallmark * Silver color * Clear faceted crystals * Round stones * Individual prong settings * Three overlapping circular motifs * Large central circle with two smaller side circles * Openwork geometric design * Straight pin with hook-style catch  1.75” across   Pre-owned condition. Visible patina/tarnish, oxidation/darkening, surface wear and scratches are present on the metal, particularly on the reverse and around the set