Vintage 9k yellow gold onyx signet ring from Birmingham, England c 1972.
Excellent vintage condition
Size: 7.75 resizable*
Weight: 6.4 grams
Band: 16.2 mm (front), 3.1 mm (back)
Onyx: 14.3 x 10.3 mm x oval cut
Hallmarks: 375 for 9k, anchor for Birmingham, "x" for 1972, "CC.S" for makers' mark