Vintage 9k yellow gold impressive onyx signet ring from Birmingham, England c 1972.
Excellent vintage condition
Size: 9.5 resizable*
Weight: 6.7 grams
Band: 19.2 mm (front), 4.0 mm (back)
Onyx: 15.0 mm x 11.3 mm x oval cut
Hallmarks: 375 for 9k, anchor for Birmingham, "X" for 1972