Cockatiel
In silverplated Deco potmetal cast, pavé in rhinestones, a red rhinestone eye.
See reverse here.
This design was patented by Trifari in 1941.
As the above pin is not marked in any way, it is doubtful that it is a genuine Trifari pin but likely another version from the period, not a modern copy. Courtesy Trifari Patents the Trifari design can be found here for comparison:
Trifari Patents, 5th row, 4th sketch.
Size: 3 1/2" H x 2" W
$45.00
+Shipping: $6.00