1950's olive drab wool field shirt with WWII Air Force patch on sleeve and yellow globe patch on the right chest.  This shirt is mid-weight and in excellent condition.

Measurements

Tag reads size 14.5 / 33

Neck:  14.5"

Shoulder:  17"

Sleeve:  23" (32.5" from center of collar)

Chest:  41"

Length:  31"

Brand:  army issue

Material:  wool