This Is A Beautiful Onyx Gold Ring. ~ Stamped 10K PSCO ~ 10K PSCO" refers to vintage jewelry made by the Plainville Stock Company (founded 1896, Massachusetts) using 10-karat gold. These pieces often feature filigree, cameos, and colored glass pieces commonly dating from the 1940s–1950s Art Deco/Retro era. The stamp signifies authentic, durable 10K gold (41.7% pure) from a reputable manufacturer. It Is In Excellent Condition. Size 7. Total Weight 2.96 Grams. Smoke Free Home. Feel Free To Ask Any Questions. Thank You For Looking.
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