Collector's Guide for Identifying Common American Military Gas Masks - On eBay at this time: M9 Gas Mask (for left-handed shooter) that I photographed and used in my book “GAS MASKS, Collector's
![US M9A1 Field Protective Mask; size Large, made for and used by left-handed shooters; dated 2nd week of June, 1953. Manufactured by Firestone Tire and Rubber Company. A still sealed M9A1 tin US M9A1 Field Protective Mask; size Large, made for and used by left-handed shooters; dated 2nd week of June, 1953. Manufactured by Firestone Tire and Rubber Company. A still sealed M9A1 tin](https://i.redd.it/p3lm0o282fn51.jpg)
US M9A1 Field Protective Mask; size Large, made for and used by left-handed shooters; dated 2nd week of June, 1953. Manufactured by Firestone Tire and Rubber Company. A still sealed M9A1 tin
![M9A1 gas mask partial kit, containing the M9 mask, M11 filter, face form, and M11 carrier. : r/gasmasks M9A1 gas mask partial kit, containing the M9 mask, M11 filter, face form, and M11 carrier. : r/gasmasks](https://preview.redd.it/ug3oih52c5o71.jpg?width=4608&format=pjpg&auto=webp&s=84e76d2714e99fc2519a22e87922e55a74d6ac30)