Vintage Onyx and 18k Yellow Gold Monogrammed Signet Ring

Vintage decorated 18k yellow gold signet ring with a gold monogram mounted on a rectangular onyx hardstone.  ID#: RG352 Onyx: One (1) bezel set, rectangular drilled onyx hardstone measuring approximately 11.2mm x 9.0mm x 2.5mm Metal: 18k yellow gold Size: 9 1/4 Weight: 14.61g Markings: 18k and other Arabic markings