Italian Maschera Antigas I.A.C. O.39
The Italian Maschera Antigas I.A.C. O.39 was made of light brown rubber and featured two small round glass eyepieces for use with optical devices. This example was made by Industria Articoli Caoutchouc in 1940.
Maschera Antigas = "Gas Mask"
O = Ottico = "Optical"
Industria Articoli Caoutchouc = "Rubber Articles Industry"
Similar masks in my collection: Italian O.41Rs
Manufacturer and model stamp on cheek "(I.A.C. logo) O.39 III"
Lot and date stamp on cheek "054610 1940"
Filter stamp top view