I’ve only ever seen Bill Malone perform "Sam the Bellhop", so I’m inclined to think it’s his signature trick. Even if it’s not, it certainly is amazing.
Hit play or watch Sam the Bellhop on YouTube.
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According to Mark Evanier, "the ‘Sam the Bellhop’ routine was not invented by Bill Malone but by Frank Everhart, a magician-bartender who worked at the Ivanhoe restaurant-dinner theatre in Chicago back in the late fifties. Mr. Everhart apparently did it with just a stacked deck and Malone added in all the fancy sleight of hand and false cuts that make it into a truly dazzling effect."