Four vintage Chinese stone bead necklaces, graduated 17.9 mm to 25 mm round plain and carved prehnite beads to lobster claw clasp, length 52 cm, 13 mm round nephrite beads on knotted cord to Chinese silver filigree clasp, length 51 cm, 4.5 to 58 mm round gem beads including. Garnet, tigers eye, dyed agate, quartz, river pearls, seeds and faux coral on metal chain, length 72 cm, and 5 x 4 - 15.5 x 12.5 mm round and faceted agate, quartz and glass beads, length 76 cm.