It was listed by Robert Harris Jewellers. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Robert Harris Jewellers has dated this piece to the 1960s.

SPECIFICATIONS
External Dimensions. 62 x 56mm
Internal Dimensions. 57 x 51mm
Width. 11mm
Weight. 14.1 grams
9k gold
HALLMARK
HB&S Birmingham England 375 1960
ERA
1960s
CONDITION
Small dent to external rear, otherwise only very minor wear and excellent
Robert Harris Jewellers has dated this piece to the 1960s.
Home of beautiful jewellery
You can view the stock and full dealer information on the Robert Harris Jewellers Profile Page