Original Imperial German WWI M1917 Ledermaske Gas Mask with Can, Paper Insert and Spare Lenses - Dated March 1918 German Documents & Books Barrel side marked :-

Barrel side marked :-

and is quite loud when cranked up to full cycle

Also "80" appears under the "A" indicating the year of manufacture to be 1880

which was later returned

known as the 458th Sea Tigers

Original Imperial German WWI M1917 Ledermaske Gas Mask with Can, Paper Insert and Spare Lenses - Dated March 1918 German Documents & Books Barrel side marked :-Original Item: Only One Available. This is an excellent condition totally genuine World War One issue German gas mask. This model of Gasschutzmaske (Gas Protection Mask) was introduced in 1917, and was known as the Ledermaske due to its leather body construction. Canvas straps on the back of the mask were used to attach it to the wearer's head. The leather on this example is still soft, and the canvas rigging in great shape. The metal eye guards are