Vintage Zuni heishi fetish necklace with 17 carved animals

Vintage acquired in the 70s in the Southwest, very long 28” single-strand jasper and turquoise heishi beads necklace with 17 various carved tiny Zuni fetish animals including bears, foxes, etc. as shown, silver tips at hook fastening. Perfect. Turquoise, agate, jasper and other stones carved to represent spirit animals. The bead strands are exceedingly fine/thin. The tarnished tiny silver tips are impressed with marks and patterns that may be hallmarks, but I cannot figure out what they are; photos added in case someone can.