US Army Keys J-5-A J-5-A J-5-A J-5-A J-5-A
Flameproof Aircraft Key 

Manufacture    L.S. Brach Mfg
               Newark, NJ
Production Run 1918 - 1945
Signal Corps # SC3131
               US Army Signal Corps
Base size      2.5" X 3"
     finish    Black
Aquired        April 2ØØ1