Vintage Squash Blossom Necklace with Mercury Dimes Old Pawn

Very interesting 60's vintage Native squash blossom necklace. This one has Mercury dimes for the blossoms.
Very nice dark blue turquoise stone mounted in the center of the traditional naja.
Nice silver patina. Stamped M and Sterling, c 1960s.
Weighs 84 grams, the beads measure 16" it measures 28" with chain extender
Inventory #JN 431