Effect 1: The performer shows a normal deck of playing cards. he places the deck on top of an empty glass. He then borrows a coin, makes someone sign their name on it. With empty hands, he just slips the top of the deck and the coin magically goes through 52 cards and ends up in the glass. The performer can then spread the cards to show a normal deck after the penetration, the glass and the coin are fully examinable.
Effect 2: The performer places a borrowed coin on top of the (shown normal) deck of cards. He then shows there is nothing in the empty card box. He closes the lid of the empty card box and hits the coin with the box. The coin magically penetrates inside the card box. The spectator can fully see there is no hole on the normal card box and can fully check the coin.