Vintage slip / adjustable necklace or chain silver tone

I only have one of these vintage slip / adjustable necklace or chains in a silver tone it would be roughly 28-30 inches long if it came apart and it will adjust to a size of roughly 7 inches and out to 14 inches Material is unknown *** Asking $20 OBO *** *** silver dollar not included or for sale *** *** checkout my marketplace profile for more or similar listings *** *** shipping available at buyers expense ***