Effect

Performer is holding a stainless steel cup in one hand. 

Performer reaches in the air with the other hand and plucks a half dollar out of the air. 

This half dollar is dropped into the steel cup. .

Audience can hear the coin being dropped into the cup, several more half dollar coins are produced in the same manner and are audibly dropped into the steel cup. 

The performer asks an audience member to guess how many halves are in the cup. 

The audience member says "six?" or "seven?" The performer states "no, just one big half." With that the performer makes an upward motion with the cup and a single jumbo half dollar coin jumps out of the cup and into the air.