U.S. WWII Corporal Issue Long Sleeve Shirt 

An olive-drab long sleeve wool shirt. The shirt has two breast patch pocket with button-down flaps. On the inner left side is a flap commonly known as a “Gas Flap” secured across the chest by three matching buttons. There is a small tag marked “5 1/2  34” at the back inside of the collar. There were two buttons on each cuff to allow some adjustment. The shirt is in very good condition with light usage and wear.

Nice example!!