Tango Folding Coin Half Dollar (Internal Sistem)

The magician takes a normal coin and an empty bottle. He requests a spectator who takes the bottle for the peak and strikes the bottom of the bottle with the coin, and it crosses the bottom of the bottle. Afterwards he shows that the coin is really inside the bottle, the magician waves the bottle and the coin goes out of it. Immediately he gives to examine the coin and the bottle.