Every time they show the picture of a one hundred American dollar, the new hundred dollar bill was used instead of the old. The movie was about the 1940s and on, however, The one hundred dollar bill shown in the movie was a new 100 dollar bill which has been changed multiple times since the time depicted in the movie. The hundred dollar bill that was inserted into the Chinese red pocket by Bruce Lee's mother had the printed signature of "Henry M Paulson Jr". He was the 74th US Secretary of the Treasury between 2006 and 2009.