Concho and Feather Necklace with Turquoise Sterling Silver Southwestern

Vintage Southwestern sterling silver necklace with conchos and feathers. Set with two Sleeping Beauty Mine turquoise. Necklace is 17 1/2" long. Pendant is 2 1/8" long. Weight 14 grams. It is very tarnished-almost black. Will polish up. No hallmarks. Acid tested.