Original U.S. WWII M8 Pyrotechnic 37mm Flare Signal Pistol by Eureka Vacuum - Serial E-090634 Vintage Signs The most obvious change was

The most obvious change was the firing pin itself

FEAF was the functional equivalent in the Pacific of the United States Strategic Air Forces (USSTAF) in the European Theater of Operations

The top barrel flat is engraved H

It is made from multiple pieces

made with typical army type feldgrau (Field Gray) green / gray "whipcord weave" wool with a black velvet "plush" material band and a traditional high front

Original U.S. WWII M8 Pyrotechnic 37mm Flare Signal Pistol by Eureka Vacuum - Serial E-090634 Vintage Signs The most obvious change wasOriginal Item: Only One Available. Very nice condition 37mm big bore signal pistol of WW2. The barrel has studs for attachment to a flare port in the fuselage of large aircraft such as bombers. The right side of the frame is marked inside a triangle: EC V C1943U. S. PROPERTYPISTOL PYROTECHNIC M 8 The abbreviation at the top indicates manufacture by Eureka Vacuum Cleaner Co., one of several contractors employed to make these pistols. This example is