Vintage 1950's Men's SD Letter Black Onyx Signet Ring 10K Yellow Gold, 10.16 GrJasper524.5(10.5k)$800
Vintage 1981 Ursuline School NY Black Onyx Class Ring 10K Yellow Gold, 7.32 GramJasper524.5(10.5k)$650
Antique Onyx and Diamond 'M' or 'W' Initial Signet Ring in 9ct GoldBanks Jewellery Auctions4.3(11)£100
