Goldtone metal green enamel lightweight multilayer rectangle segment necklace

This is a lightweight goldtone metal three layer rectangular segment necklace with green enamel on alternating segments. The three layers merge into two chains at the finials and then one chain going into the back. Unsigned costume piece with a lobster claw clasp. She measures 19 inches long at the shortest layer plus a 3 inch extender. Each rectangular segment measures 3/4 inch long by 3/8 inch across. Very good pre-owned condition with light wear from use.