Genuine Natural Hawaiian Puka Shell Necklace with Turquoise

Vintage 1970s natural Hawaiian puka shell necklace. It is string with three spider web turquoise nugget beads. Has original barrel clasp. The puka shells have natural holes and they were tumbled by nature in the Pacific ocean and bleached on the sandy beaches of Hawaii. Pukas have a diameter range of 6.6 mm to 9.5mm. Necklace is 14" long; choker length. 38.7 grams. This is a homemade necklace on fishing line that is hand knotted to the clasp. Kind of crude, but perfect period piece.