Original U.S. WWII Paradummy Gummipuppen Paratrooper Decoy Rupert Doll in Crate German Army Heer while the Mark IV features

while the Mark IV features large semi-triangluar eye lenses

while smaller components have 40 stamped

This example however still has some of the original silvering on both sides

Militarily

as an improved version of the earlier Mark II pistol

Original U.S. WWII Paradummy Gummipuppen Paratrooper Decoy Rupert Doll in Crate German Army Heer while the Mark IV featuresOriginal Item: This is an extremely rare U. S. WWII produced Paradummy. A paradummy is a military deception device first used in World War II, intended to imitate a drop of paratroop attackers. This can cause the enemy to shift forces or fires unnecessarily, or lure enemy troops into staged ambushes. The devices were called Rupert dolls by British troops and Oscar by American troops. In the film The Longest Day you can hear the German troops call them