Original U.S. WWII M3A1 Diaphragm Gas Mask with MIXA2 Filter dated 1944 and MIVA1 Gas Mask Bag Japanese Military Maps they are tendencies

they are tendencies

and the trigger guard is not matching

It is also maker marked with the letter code epb for Böhmisch-Mährische Maschinenfabrik AG who produced tanks and other vehicles

In 1934 the national eagle shield was introduced

- Ring with green enamel 4th Infantry Division Ivy insignia

Original U.S. WWII M3A1 Diaphragm Gas Mask with MIXA2 Filter dated 1944 and MIVA1 Gas Mask Bag Japanese Military Maps they are tendenciesOriginal Item: Only One Available. This is a very nice example of one of the last types of gas mask that the United States fielded in WWII. The M1 Design had first come about in 1921 as an improvement of the M1919 gas mask, developed at the end of WWI. It then went through several improvements, with the M1A2 being introduced in 1934, and remaining the standard U. S. Gas mask into the early years of WWII. However the delicate "bladder" under the mask