Effect 1
The magician shows a half dollar and a mexican coin in the left hand. He closes both hands and when he opens the left only the half dollar can be found because the mexican coin has appeared in the right hand!
Effect 2
The magician shows a half dollar and a mexican coin and places them in the hand spectator. The magician then asks the spectator to put their hands behind their back and pass a coin without looking. Then he asks the spectator to open the hand with the half dollar coin and amazingly, there is a half dollar! But the magician opens his hand only to find a quarter! The mexican coin has vanished!!
Effect 3
The magician shows two coins; a half dollar and a mexican coin, and places them on a pad or tablecloth. He then waves his hand over them for but a second and uncovers them only to find one coin! When he lifts the pad/tablecloth, the mexican coin is revealed!!