Red Oyster Shell Silver Chief Head Ring Size 8-1/2 Jewelry NS42774MATERIALS: Sterling silver and Red Oyster Shell. MEASUREMENTS: Ring is a size 8 1 2, it measures approximately 7 8" long and 5 8" at widest point. DESCRIPTION: This is an exquisite ring that must not be overlooked! The ring is handmade out of genuine sterling silver and real Red Oyster Shell inlay. The inlay is carefully set, while imprinted work can be seen creating a marvelous chief head design. The ring is stamped sterling and hallmarked.