Coin Production Hanky
Magician displays a handkerchief. He picks up a clear glass tumbler and covers it with the handkerchief. He then grasps all four loose corners hanging below the bottom of the glass tightly, so the empty glass rests on his closed fist covered by the handkerchief from all sides. The performer then produces a silver coin from the air, shows it to the audience, and throws it into the air. Spectators hear a clinking inside the glass tumbler. Likewise the performer produces four coins, one by one, and tosses them into the air, catching them in the sealed tumbler. Magician then takes off the handkerchief and pours out the four coins from the glass. This is the bare bones of the effect.