The Polish Maska Przeciwgazowa MP-4 was one of the many licensed copies of the U.S. ABC-M17 Field Protective Gas Mask. This example was made in 1979.
Maska Przeciwgazowa = "Gas Mask"
Similar masks in my collection: U.S. Army ABC-M17, U.S. Army M17A2, Czech M-10, Bulgarian PDE-1, Polish MP-4M
Not For Sale