one of my rarest piece in collection. Gp-4 gas mask (not gp4u) size 2 dated 1953 made in moscow. condition is great but mask is kinda crumpled : r/gasmasks
ArtStation - Soviet gas mask GP-4U
Vintage Unused Rare Gas Mask. Soviet Gas Mask Gp 4 Size | RebelsMarket
Unused Rare Gas Mask. Soviet Gas Mask "Gp 4" Scary Gas | RebelsMarket
File:Russian gas mask ПМК-2.jpg - Wikimedia Commons
Gp 4 Gas Mask for sale | eBay
Vintage MC68 Romanian Military Gas Mask w/ Bag Hose and Filter Cold Wa - Survival General
Gas Mask. Vintage Green Gas Mask GP-4. Soviet Gas Mask G-4. - Etsy