Patrick Yazzie Navajo Sterling spiny oyster and white buffalo necklace

Patrick Yazzie Navajo Sterling spiny oyster and white buffalo necklace. No issues. The chain portion measures 21+ inches in length and is made of White Buffalo Turquoise, Purple Spiny Oyster and Round Navajo Pearl beads. The beads range in size from 6 to 12 mm. The chain and pendant can both be worn separately. The Pendant measures 3 inches long x 2 inches wide and has a Center Stone of Purple Spiny Oyster accented with White Buffalo Turquoise Pieces at the bottom. Stamped sterling and Signed. The necklace weighs 84.3 Grams.