This is the deck switch from the train car poker game scene in the movie The Sting, executed by John Scarne, renowned gambling expert. It is straight forward and within the range of anyone willing to devote the time necessary to master it. Add it to your skill set. You will receive a PDF and a video (download from your digital shelf).
Here is the clip from The Sting where the switch is executed.
1st edition 2019, PDF 4 pages, video 17s.
word count: 464 which is equivalent to 1 standard pages of text