Boston Box (Brass) - US Quarter by Tango Magic

Effect

The magician shows a coin and a Boston Box. Put the coin inside the box and close the lid. He shakes the box to make sure the coins is still in there and places the box on the back on his hand which is a few centimeters above a table. He gives a flick on the box, the coin crosses the box and falls on the table. The box is opened and is empty.