Benjamin Franklin on $20 bills? Note the closeup of the bag of money at 41:52. It is all pre-1996 $20 bills, except they all bear the portrait of Benjamin Franklin from the old $100 bills. I know it's just prop money, but it's pretty obvious there's no such thing as "twenty-dollar Benjamins". If the camera hadn't zoomed in so closely on this, it might've worked.
Bag of money has 20-dollar bills with Benjamin Franklin's picture on them.