Original Rare WWI U.S. Model 1918 “Mackinaw” Coat with Engineer Sergeant’s Insignia - Large Size Russian Flare Guns as well as adjustments for

as well as adjustments for windage

The blade does have some small areas of rust on one side

and the "ball top" can still unscrew for the addition of a plume if desired

The buckles are still there

Original Rare WWI U.S. Model 1918 “Mackinaw” Coat with Engineer Sergeant’s Insignia - Large Size Russian Flare Guns as well as adjustments forOriginal Item: Only One Available. This is an excellent example of a scarce Model 1918 U. S. Army Mackinaw Jacket. This is a seldom found piece of WWI U. S. Kit, which is missing from even some advanced collections. Not only is this a rare coat in its own right, but it is in a large size as well, measuring 26 from armpit to armpit! These jackets were often referred to as a Drivers Coat as the outer canvas shell acted as a barrier to protect the wearer