Navajo Sterling Silver Spiny Oyster Concho Ring

Native American handmade sterling silver statement concho ring features a small round serrated set Spiny Oyster.  It is unmarked tests as sterling and it measures a ring size 6 3/4 - 7 and the face of the ring measures 1 1/4 inches long.  It is very lightweight at 3.9 grams , and it is in great vintage condition.