A coin magically travels within a glass - which is upside down on top of a deck of cards held in the magician's hand! Use any coin that is of equal or less size than the diameter of half dollar coin.
So easy you will be performing this out of the box!
"Great innovation in the XXXI National Congress Magical Madrid"
"Bestseller in the World Championship 2012 in Blackpool - England"
"Best magical product into the International Magic London (Mc Millan)"