US ARMY*: N.A.T.O. M1936 MUSETTE FIELD BAG BACK PACK HAVERSACK N.A.T.O ,,
(It has khaki to green forest color strong canvas ), ( WEB ). Probably 50s -60s N.A.T.O. era. M 1936 MUSETTE FIELD BAG. You can see that on the photo if you take a good look. What you see is what you get.