2 Effects: Numerical Affinities and Cross Signature by Joseph B.

There will be two effects in this amazing download.
The first is an impossible prediction with two normal decks of cards. Very simple to do. At the same time you will have an interesting technique with you to learn.

In the second download the effect is based on an ancient principle but with a surprising and unexpected climax. This is to be done with a normal deck of cards and the almost Impromptu trick