Old Primitive Indian Jewelry Neckless Brass Seed Beeds

This is a rare, old native american nidian neckless. My father had this neckless for over 40 years and he purchased it from indians at an indian reserve. It has a brass plate with i believe two bore teeth cannot be sure if they are teeth or horn. It has a leather stringer that hold the seed beads teeth and brass cup or plate, the plate measures approx.