Vintage WW2 WW11 yellow gold filled on sterling silver US Naval Pilot FULL SIZE military wings pin. Measure 2-3/4", weigh 12 grams. Mildly tarnished with age toned patina. Hallmarked "1/20 10K + Ster" and maker marked for HILBORN HAMBURGER on the back. In excellent condition. Double clutch back pin assembly.
HILBORN HAMBURGER, INC.- New York, New York.