The odd scientific principle discovered by Harris in 1980 makes this amazing coin transposition possible! Two coins are displayed. One is marked with a large cross and a spectator confirms that the cross will not rub off the coin. In full view, the marked coin and the plain coin transpose THROUGH THE BACK of a spectator's own hand. Fully examinable, easy to do. The scientific principle makes it all work. Use any currency. Easy To Perform, Carry it everywhere.
14 pages, Fully illustrated
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