Phantom by Werry.
Phantom w/ Shim 50 Cent Euro
Show a 50 Euro cent and borrow a quarter, which can even be marked. Place the quarter in your jacket and the 50 Euro cent on your palm. With a magical gesture, the 50 Euro cent disappears in full view and the quarter appears in its place! Both hands are otherwise empty! The quarter is now found in your jacket pocket! A spectator can take the quarter from your palm and verify that it's his marked coin!