Paramount by Aldo Colombini

A stunning routine that you'll enjoy performing and your spectators will love to watch. The performer shuffles a blue-backed deck. A spectator selects a card (say the 8D) and signs it on the face. The card is then lost in the deck. Three blank-faced cards with red backs are shown and the performer says that he will print an exact duplicate of the selected card. A back of a red-backed card is erased so that now it is blank and a blue back is then printed on this card. A duplicate of the selected card is then magically printed on the face of this blue-backed card. Wait a moment! To have an EXACT duplicate of the selected card you must also have the signature of the spectator on the face of that card. The card is turned over and yes, the signature of the spectator is right there on the face of the card!

Requires a blank-backed card and two blank-faced cards.