A borrowed coin is marked for identification. This coin is placed in a handkerchief and is held by a spectator. Next, a small wooden box is shown to be locked. This box is put on the table and an empty glass is placed on it. The spectator is instructed to drop the coin from under the handkerchief into the glass. The audience can hear the coin as it is dropped into the glass. When the handkerchief is removed from the glass, the audience can see that the coin has vanished as the glass is empty. The spectator is handed a key which he must use to open the lock on the box. When the box is opened, the marked coin is found inside. Includes the instructions. Very good condition.
