Vintage MahJong and Black Onyx Necklace

The necklace in the image features vintage Mahjong tiles, likely made of bone or a similar material, strung together with black onyx beads and a 14/20 gold-filled clasp. The tiles display traditional Mahjong symbols and characters, and the necklace measures approximately 22 inches in length. These types of necklaces were popular in the 1970s and are considered collectible items.