Solid marked 10K Gold circa 1930th Hand carved Shell Cameo

This is a lovely carnelian shell in twisted border brooch/pendant cameo circa 1930. It is stamped 10K (on the clasp) and is hand carved shell with a hided bale. It can be worn as a brooch or a pendant. It measures 1 1/8 inches by 1 inch (to pin end) or 30 x 25(mm.) It’s in perfect overall condition, which will be good for collection and perfect for a gift.