Is This French ARS Gas Mask The WW1 Version Or The Post War Version?Is This French ARS Gas Mask The WW1 Version Or The Post War Version?Is This French ARS Gas Mask The WW1 Version Or The Post War Version?Is This French ARS Gas Mask The WW1 Version Or The Post War Version?Is This French ARS Gas Mask The WW1 Version Or The Post War Version?Is This French ARS Gas Mask The WW1 Version Or The Post War Version?Is This French ARS Gas Mask The WW1 Version Or The Post War Version?Is This French ARS Gas Mask The WW1 Version Or The Post War Version?Is This French ARS Gas Mask The WW1 Version Or The Post War Version?Is This French ARS Gas Mask The WW1 Version Or The Post War Version?Is This French ARS Gas Mask The WW1 Version Or The Post War Version?

Hello, I was wondering If this ARS gas mask is the WW1 variant or the postwar version produced. Help would be appreciated, please.