1930s Silver & Turquoise Thunderbird Necklace Vintage Old Pawn JN 806

This old Thunderbird pendent necklace is vintage, Native, likely Navajo made. Unusual nice feather shaped punchwork on the tail and little blue turquoise eye.
Tested Sterling and unmarked like many of the oldies. C 1930s
The necklace weighs 16 grams and the chain measures 18" long. The pendent is 1 1/2" wide.
Inventory #JN 806