Southwestern New Mexico Jet Animal Fetish Necklace with Turquoise and Heishi

Vintage Southwestern fetish necklace. It is likely Zuni, though it is not signed. It has 19 hand carved animal fetishes that are carved of New Mexico jet. The eyes are painted turquoise. The animals are separated by brown heishi and turquoise nuggets. The cones are sterling. It is on string. It has one damaged horse that is missing most of its head. This is such an unusual necklace in that it is of jet. (fossilized coal) One animal a bison next to the bunny pendant is upside down. This would be the hallmark of the unknown artist. Necklace is 28" long.