Spiny oyster, also known as spondylus, is a large family of mollusks. Sometimes, they are also referred to as thorny oysters or spondylids. Contrary to its name, spiny oysters are not actually oysters. Instead, they are most likely related to scallops.

Unidentified Navajo artist (see artist's mark inside the bracelet) design sterling silver, blue turquoise, and red jasper oval shape cuff bracelet is 1 1/8" wide, 7" long no closure. Weight is 57.4 gram.

Marked with a artist's hallmark.

Bracelet comes in black velvet pouch.