A beautiful Antique Large 9ct (.375) Solid Gold finely carved Cameo Brooch - fully hallmarked 

Stamped: makers mark - SGW / .375 / plus other stamps - please view back of brooch image 

Approx weight: 7.43g

Likely carved on either shell, coral or agate

The catch works perfectly 

Height 4.2cm / Width approx 3.4cm (not including chain)