The flap of the card case is signed by Eddie Tullock. He performed and then signed the Playing Cards

From MagicPedia

Eddie Tullock
Born Edward Rector Tullock
January 23, 1919
Died May 5, 2007 (age 88)
Eddie Tullock (1919-2007) was a pioneer of trade show magic.

Books and DVD's
TULLOCK - The Phantom Founder of Trade Show Magic (1996)
Truth Trade Show by Eddie Tullock - DVD
References
Genii, Vol. 70, No. 7, July 2007, On the Slant, by Jon Racherbaumer, Tuesdays with Eddie, page 13
The Linking Ring, Vol. 87, No. 6, June 2007, Broken Wand Eddie Tullock, Noted Trade Show Magician, Succumbs, page 126