Three bead necklaces 20th century

Three bead necklaces 20th century, the stones in green, pink and purple tones, one string jadeite, one nephrite and one glass, a jadeite pendant carved as a dragon and a tortoise, another small jadeite pendant with a bat on a peach, and an agate pendant carved as a vase of lotus, 56.2cm max. (5)

Please note the stones have not been tested for colour enhancement.