The signed selected card is lost in the center of the deck.
You take the bill and throw the bill onto the deck, visually the bill disappears and goes through the deck to the selected, signed card. You can then give the card to the spectator for examination.
You take the bill and throw the bill onto the deck, visually the bill disappears and goes through the deck to the selected, signed card. You can then give the card to the spectator for examination.