Marc-Antoine Denis - Visual Coin Across
The latest issue of The Wire district coin exchange effects. Very simple, does not require props coins.
NOTE: No prior knowledge of coin magic is required to perform this effect. 
The effect:. Using a sharpie, a symbol is drawn on a borrowed coin A regular coin is introduced, and the two coins are shown on both sides With a shake, visually transpose at the fingertips They are once again shown on both.. sides, and handed to the spectator for examination. 
POINTS TO REMEMBER: / Visual / Only 2 coins / No gimmicked coins / Instantly examinable / Nothing to add, ditch or palm / Easy to do / Instant reset / Virtually impromptu / You can use the spectator's signed coin / Hand the coin with a symbol as a souvenir / No clothingghting restrictions / Many possibilities / 
17 minutes of instructions, shot in crystal clear HD (1080p), teaching: / 3 handlings / 4 extra ideas (3 of which are tricks on their own) / 5 subtleties / 
* The color of the coin does not matter, but it is recommended to use a color that will contrast with the ink. The perfect size for the coin is a silver half-dollar.