Amazing Mother of Pearl on Brass Choker Necklace Vintage Costume Jewelry

Brass with Mother-of-Pearl shell hard metal choker necklace, unmarked Approx. measurements: hard inner circle is 10.5 inches long by 6/8 wide front, back opening is 3.5 inches (straight open line "connecting" metal ends). Metal has some give but not very much. It can fit an adult neck (not all sizes) Made in India Circa 1970s-80s Vintage, pre-loved, sustainable, circular fashion accessory Tags: Tribal, Aztec, western, boho, Bohemian, hippie, cowgirl, cowboy, vintage, rare, unique, one of a kind.