The magician shows the audience two coins in his left hand, then takes one with his right hand and, incredibly, the other coin disappear. The magician clearly shows the two hands between his fingers there is only one coin. When the entire audience will still be wondering where you disappeared over the coin, the magician will make it magically reappear.
Slippery Expanded Shell .. the evolution of a normal shell.
The video showed the effect, but the value of money that you will receive is the one shown in the description and photos.