Axis Annie - S3-E23
Continuity mistake: As Newkirk is talking to Axis Annie, his arms are crossed. They are uncrossed a second later without moving.
Axis Annie - S3-E23
Factual error: After Carter realises Hogan got the envelope off so fast, Newkirk says "Speedy Gonzales." 'Hogan's Heroes' was supposed to take place from 1942 to the end of the war. Speedy Gonzales first appeared in "Cat Tails for Two" in 1953.
Axis Annie - S3-E23
Continuity mistake: At dinner in the hotel, Hogan suggests a picture. Axis Annie agrees, and reaches down for the camera. After the shot cuts to a wide angle, she is reaching down again.
Answer: It's a comedy, not a documentary.
stiiggy
Perhaps it was counterfeit. There are numerous episodes where they deal in counterfeit monies.