U.S. Army M2-10A1-6 Lightweight Optical Gas Mask
The U.S. Army M2-10A1-6 Lightweight Optical Gas Mask combined elements of the earlier U.S. Army MI-I-5/U.S. NDO Mk I and the M3/M4 Lightweight Service masks. This example was made by Continental Rubber in 1952.
Lot and date stamps on cheek "EA-25186-1" "52 N-2"
Stamp on head harness "EA-1"
Bag for "US Army Lightweight Optical Mask T"
"Care of mask after wetting"
"To waterproof mask"