Vintage Graduated Beaded Glass Necklace

This vintage necklace is made of black spherical glass beads and has a c clasp closure. The beads are graduated and there is a knot after each one. There is some tone change/darkening on the clasp and general wear from time and use, but the necklace is in good condition overall. Length: 63cm / 24.25" Bead graduation: 8-17mm Weight: 43.98g