Original French WWI Appareil Respiratoire Spécial Special Breathing Apparatus ARS Gas Mask With Filter and Canister - Battlefield Relic Russian Uniforms Winter would be the nomenclature

Winter would be the nomenclature in this case) and the "3" is a sequential assigned number in the 37S series

This was followed by Soviet annexations of Estonia

being able to keep the soldier warm in the winter with its insulation and relatively cool and breathable in Northern European summer weather

The matches and cigarettes are most likely not period

for 1943 manufacture by Markes & Co

Original French WWI Appareil Respiratoire Spécial Special Breathing Apparatus ARS Gas Mask With Filter and Canister - Battlefield Relic Russian Uniforms Winter would be the nomenclatureOriginal Item: Only One Available. In 1916, the French military began experimenting with copying and upgrading the GM15. Originally the prototype that would become the ARS, known as the MCG, had a faceblank made from a layer of rubberized cloth and no Tissot deflectors. Because of fogging and the inability of the mask to resist tear gas, the MCG was updated to include Tissot deflectors and a backing of cloth boiled in linseed oil. Also added to the