Larger Hawaiian Puka Shell Necklace 21 1/2" long

I have two necklaces from the same estate and both were restrung to make them longer so that the owner could wear them again. These were originally 17" long. Silvertone beads were added to the back and they barrel clasp was replaced. It is now 21 1/2" long. 

These puka shells are 100% natural. Holes, surface, color and shape all made by the sand, surf and sun. Shells vary in size from a diameter of 8.9 mm to 11.2 mm. Weight: 75.5 grams. Nice large size. Love them!