
Continuity mistake: In the early scene where Frank Jr. and Sr. share a hug in the apartment building, as Frank Jr. hugs him, Frank Sr. lowers his jacket down with the right sleeve just above his elbow; however, in the next shot, the jacket moved back into its original position, with the right sleeve still completely covered. (00:17:50)
Answer: He was taking the labels off the bottles to make fake checks, using the logos as this is the one thing that he could not create on the checks. The MICR printer was only used to print the routing and account numbers and the emboss the checks.
This is incorrect. Frank exclusively makes Pan Am checks until his arrest in France. A logo from a ketchup bottle or peanut butter jar would be far too large for a check. Instead, as shown, Carl examines Frank's wallet, which is filled with labels taken from various items—supporting the more accurate explanation provided in the other answer.
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