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OldHomeOwner

US M1917.


micronability

You guys nailed the details, but a quick check is how the strap is attached. A Split pin is British, a rivet is US. Not sure about -Canada?


OldHomeOwner

Canada never manufactured the MkI helmet during WWI only used British stock.


UA6TL

This is US M1917 helmet. Z is the steel supplier and D is the company that stamped the shell.


4thinline

Well I'll be damned, is there any way to tell the branch?


HMP_Offender

Doughboy is American.