Hawaiian Puka Shell and Copper Tube Bead Necklace

One of a kind vintage copper tube bead necklace strung with Hawaiian puka shell beads. It is 28 1/2" long. The pukas have a diameter of 5 mm. They are natural, high grade and a clean white from the sun. They are shiny from being tumbled in the Pacific Ocean and sand. Has a barrel clasp, but can be worn over the head.