The performer shows a coin and forthwith proceeds to pass it into the hat by way of the crown. That there may be no doubt as to the actual passing of the coin it is left sticking half way through the hat; a final push and it is heard to fall inside. The coin used is a trick one constructed as follows: A groove is first turned round its extreme edge deep enough to conceal a small india-rubber band. It is next cut in half across its diameter. A hole is drilled in the centre of one half in which is inserted a needle point. In the other half a slot is cut to admit the needle. The two halves are now placed together and kept in position by passing the band round the groove afore mentioned. (See Fig. 11.) 
Fig. 11.—Trick Coin This coin has a distinct advantage over the older form in which the one half only was used, in so far that it may at the outset be shown as an ordinary coin. When giving the final push it is, of course, withdrawn and palmed.
Coin in the Bottle.—With a coin grooved and prepared as above and cut into three pieces, but minus the needle point, the amateur can perform the deceptive trick of the half-dollar in the
