Effect: 
Two coins are shown, one of 20 cents and other of 5 cents in the palm of the left hand.
You remove one of the coins and it is placed in your pocket, when you open the hands, both coins are still there!

Then you take the 5 cents coin and put it in your pocket and again the coin returns to the hand.

Again you withdraw the coin of 5 cents, it´s taken your pocket and again the coin returns to the hand. Finally you withdraw the coin of 20 cents, open the hand and there isn´t coin.

The last coin has disappeared.