How to Win Friends and Influence Nazis - S3-E7
Continuity mistake: In the long shot of the hotel room, the boys are lulling Schultz to get him to sleep. In the long shot, his right hand is holding the rifle. In the close up, it's barely draped over the rifle.
Answer: It's a comedy, not a documentary.
stiiggy
Perhaps it was counterfeit. There are numerous episodes where they deal in counterfeit monies.