Thunderbird Harvey Era Necklace with Green Turquoise and Great Punchwork

Fabulous Thunderbird necklace from the Harvey Era. Very well stamped silver bird that is mounted with an outstanding piece of green turquoise.
Nice vintage silver patina. C 1940s.
Unmarked like many of the oldies.
Weighs 22 grams, measures 22" as shown, the bird is 1 1/4" across.
Inventory #JN 597