Mystery Solved 2.0 by David PennIntroducing Mystery Solved 2. 0, the upgraded version of the incredible card to impossible location effect created by David Penn eight years ago. A transparent box containing a folded playing card is presented to the audience. They choose a card at random and sign it, and after a series of effects, the card disappears from the deck. You then pick up the transparent box and tip out the card, it turns out to be the audience's signed signature card. The