The magician shows four Eisenhower Dollar coins in his hand, then takes one of the coins and brings it to his pocket. As soon as he opens his hand, it has 4 coins again.
Once more removes a coin from his hand and takes it to his pocket but when the hand is shown it has 4 coins again. He repeat this 2 times and always has 4 coins.
Finally He shows the 4 coins in his hand and takes a Coin purse to store them. When he opens his hand, the other coins have disappeared.