British Service Respirator No. 4 Mk Iii – B.R.C.

British Service Respirator No.4 Mk III gas mask stamped B.R.C. and dated 1942, produced by the British Respirator Company for military and civil defence use. The mask shows heavy service wear with surface cracking to rubber, oxidation to metal parts, corroded filter canister, and worn elastic harness, with all major components present.