WWII Army Air Forces Survival Hat. Green poplin body and neck flap. Around the front is mosquitp mesh material with small brass CONMAR zippers connecting the pieces. It is stamped in the back PROPERTY OF ARMY AIR FORCES CAP ASSEMBLY ITEM I DWG NO 45 J 9037 P.O. (33-038) 45-1919 14 MFG BY L.M.R.V. MFG. CORP.NEW YORK, NY. Also has a AN number stamp. Appears unissued. I have never seen wnother like it, so I think it is cool.