Original U.S. WWI Russian Revolution M1917 AEF Siberia "Polar Bears" Helmet - 31st Infantry Regiment Technical Handbooks & Manuals 5 inches in overall length

5 inches in overall length complete with saddle rings located behind the trigger guard

and a defensive canal

it buttons all the way down the front

5" wide by 3" tall

Earlier in the war

Original U.S. WWI Russian Revolution M1917 AEF Siberia "Polar Bears" Helmet - 31st Infantry Regiment Technical Handbooks & Manuals 5 inches in overall lengthOriginal Item: Only One Available. This fine extremely RARE example offered without liner but with chinstrap has wonderful original period green brown paint. The shell is maker marked with a stamping on the underside of the rim that reads ZD 75. This is an wonderful example of a genuine USGI Great War helmet from a well known infantry regiment of the US army. The best feature of all is the original hand painted insignia of the American Expeditionary