A dollar bill is signed by the spectator. The magician hands a beautiful locked brass tube to the spectator. The signed bill vanishes while the spectator holds the tube. When the tube is opened, the signed dollar bill is inside it. Paper money from any country can be used. Easy to do.
Magician borrows a dollar bill from a member of the audience and has them sign their name on it so it may be identified later. He is now handed a beautiful polished brass tube which is padlocked shut. The dollar bill has now vanished. When the spectator is given the key to open the lock he discovers his signed dollar bill inside the tube! Paper money from ANY country may be used. No difficult sleight of hand. Easy to do.