In Dec 1944, during the Ardennes offensive, a number of Panther medium tanks were disguised as American M10 tank destroyers as part of Operation Greif to confuse Allied forces. All of these fake tanks were destroyed by the end of the Battle of the Bulge....
Ersatz M10, a Panther disguised as a M10 Tank Destroyer, operation Greif, Belgium, December 1944. These were converted by welding additional metal sheets to the turret and hull. Of course, the wheeltrain had nothing to do with the standard VVSS type, and they hardly fooled anyone for long....