11g-Vintage 14KT Gold Top Black Onyx Initial “B” Signet RingSphere Auctions LLC4.4(128)$30(2 bids)Jul 13, 2026
5g-Vintage 830 Silver Monogram Signet Ring – Engraved InitialsSphere Auctions LLC4.4(128)$10Jul 13, 2026
Vintage 1930's Letter MP Initial Black Onyx Diamond Signet Ring 14K Gold 3.24 GrJasper524.5(10.5k)$716
Mens R Initial Monogram Signet Ring in 14k Yellow GoldEric's Estate & Jewelry4.6(540)$1,500905 Lots Away
Vintage Sterling Silver Black Onyx Initial D Signet Ring 7gSphere Auctions LLC4.4(128)$10(1 bid)Jul 13, 2026
Antique Onyx and Diamond 'M' or 'W' Initial Signet Ring in 9ct GoldBanks Jewellery Auctions4.3(11)£100
Vintage 1930's Letter MP Initial Black Onyx Diamond Signet Ring 14K Gold 3.24 GrJasper524.5(10.5k)$716
Mens R Initial Monogram Signet Ring in 14k Yellow GoldEric's Estate & Jewelry4.6(540)$1,50023 hrs Left
Diamond and Onyx "J" Initial Signet Ring in 14k Yellow GoldEric's Estate & Jewelry4.6(540)$9601823 Lots Away
Diamond and Onyx "J" Initial Signet Ring in 14k Yellow GoldEric's Estate & Jewelry4.6(540)$96023 hrs Left
