Two Vintage Abalone/Mother of Pearl Pendants

Pre-owned vintage pendants. Set of 2. Rectangular- No markings. It seems a sterling silver setting. Needs to be polished (light tarnished). The pendant is approx. 2.5 inches long × 1.5 width. The shell is rough on the back side. No chain. Excellent pre-owned vintage condition. Circular - Marked sterling silver. Mother of pearl in excellent condition in a sterling silver setting. Needs to be polished (light tarnished). The pendant is approx. 2.5 inches long. Smoke and pet-free home.