WWII "Hilborn & Hamburger" Naval Aviators 1 & 1/2 inch, pin back, Hat wings, in original Box 1/20-10 KT Gold Filled on Sterling. Beautiful set of wings was worn on the Naval Aviators side cap, shows only minor tarnish from years of storage. The original issue box has corners broken but marked on inside lid: Hilborn-Hamburger, Inc. MFRS. Military Insignia New York. Ribbed blue cloth covered box insert with foil sticker : All Precious Metal 1/20-10KT Gold Filled on Sterling. The back of pin is marked with H&H Logo. This is a wonderful piece of WWII Aviation History and should make a welcome addition to any WWII Aviation collection.