Stapled Card Effect

Jon Racherbaumer has done extensive research into this plot. He sources the plot back to Joseph Prieto's “The Stapled Card” in Scarne On Card Tricks, 1950, p. 110-113.

Other notable versions include Paul Harris and Looy Simonoff's “Stapled!” in Las Vegas Close-up, 1978, p. 19-25, Jay Sankey's “Trio” in 100% Sankey, 1990, p. 27-31, and David Harkey's “Twins” in Ah-Ha!, 1997, p. 25-28.