From Magicpedia, the free online encyclopedia for magicians by magicians.
Zens Cards and Envelopes
(or Fifteen Card Trick
or Zens Pocket to Pocket) is a Cards Across effect.
Effect: Two volunteers each count off 15 cards and seals them in an envelope. Three selected cards then pass from one envelope to the other.
Created by Michael F. Zens around 1907.