Italian Maschera Antigas I.A.C. O.41
The Italian Maschera Antigas I.A.C. O.41Rs was made of dark brown rubber and featured two small round glass eyepieces for use with optical devices. This example was made by Industria Articoli Caoutchouc in 1942.
Maschera Antigas = "Gas Mask"
O = Ottico = "Optical"
Industria Articoli Caoutchouc = "Rubber Articles Industry"
Similar masks in my collection: Italian O.39