From a deck of Bicycle poker-sized playing cards, the performer removes one card and shows it to the audience. The card is then placed face down on the table or positioned upright so that the face of the card is unseen by the audience.

A spectator assists the performer and selects a card from a second deck. The audience chuckles however because as the magician is first running through the deck and showing the face of the cards to the audience, the audience can see that the cards are all duplicates of the magician’s previously chosen card. Turning the second deck face down and running through the cards, the spectator is invited to touch the back of a card. That card is removed from the deck and handed to the spectator with the instructions to not show the card to the audience or magician.

From the audience's perspective, the magician’s chosen card and the spectator’s chosen card are the same. However when the spectator shows the card they selected, their choice is different than the magician’s choice! Is this a case of a trick gone wrong? No indeed, because when the performer turns his chosen card around, it now a duplicate of the spectator’s card!
 
The trick comes complete with two decks of cards and complete instructions. This is a great comedy effect that packs small, plays big, and was invented by the late great Billy McComb. Price includes shipping in the USA. 007NUFHA00405