Antique Edwardian 800 silver carved shell cameo clip on earrings and necklace

Antique Edwardian era 800 silver carved shell cameo clip on earrings and necklace Jewelry set Signed GM Each has a stamp that I believe denotes 800 silver Each cameo is hand carved and unique Silver coil detail around each cameo Necklace is a 21” snail chain The bottoms of the earrings is stamp GM