![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://preview.redd.it/p3lm0o282fn51.jpg?width=640&crop=smart&auto=webp&s=1bacd798f65b9b4000d5ae2f347a627a842a58f0)
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)
M9A1 gas mask partial kit, containing the M9 mask, M11 filter, face form, and M11 carrier. : r/gasmasks
![M9A1 Field Protective Gas mask with anti dim cloth, dated 1953, Manufactured by Firestone : r/gasmasks M9A1 Field Protective Gas mask with anti dim cloth, dated 1953, Manufactured by Firestone : r/gasmasks](https://preview.redd.it/t0mwthocfjp41.jpg?auto=webp&s=97f6d9aa01460274e31ba0f04f355d8db8444692)