This came from an old magician’s estate.
Good working condition.
The magician is able to discern which pencil is handed to him behind his back every time.
Repeat for as long as you wish. The more you do it the more baffling it becomes.
Pencil can be wrapped up in a piece of paper and you still tell them the correct color.
No secret helpers are used. A one person effect.
The method is extremely clever!