Red Spiny Set in Sterling Silver This Red Spiny Oyster Necklace is handmade by Native American Artist Alfred Martinez Length 16.5", can be clasped shorter. Signed by artist. Artisan Red Jewelry With Large Pendant, Artisan Untreated Jewelry For Collectors, Artisan Red Necklace With Round Pendant, Unique Untreated Red Jewelry, Handmade Red Oval Necklace, Artisan Red Round Pendant Jewelry, Artisan Necklace With Sterling Silver Clasp, Artisan Necklace With Sterling Silver Clasp For Gift, Artisan Necklace With Lobster Clasp And Round Pendant