Vintage Red Sardonyx Carved Cameo Brooch in Sterling Silver - Perfect for Victorian Style Jewelry, Collectibles & Gift Giving

Antique red and white sardonyx cameo with a lovely carved female figure. She has a lovely long braid with a bonnet. The setting is silver and tested sterling. The pin is gold and failed 10k, but may be 9k or pichbeck.?

Measures 1 1/2" by 1 1/16". Has a locking clasp. I did test the stone with a gem tester to be sure that it is not glass and it is not. Weight: 12.5 grams.?