10K Yellow Gold Men's Black Onyx Signet Ring Circa 1940, Size 11.75 - Colonial Trading Company
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9 Carat Yellow Gold Onyx Signet Ring. US Size 9.5 at 1stDibs | vintage onyx signet ring, black onyx signet ring, vintage black onyx rings circa 1950 and 1960s
Men's Oblong Gold Plated Signet Ring With Onyx | Nialaya | Wolf & Badger
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10k gold vintage Deco black onyx & diamond signet R ring – Rambling Rose
Woman's Black Onyx Gold Ring, Ladies Signet Ring — Memories by Mastercraft
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555Jewelry Solid Stainless Steel Signet Ring, Black Onyx Plain Signet Seal Ring for Men, Vintage Rings for Men, Pinky Rings for Men, Biker Ring for Men, Gold, Size 7|Amazon.com
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