This double deck of playing cards is from the combined convention in 2008

IBM/SAM

Pack of 2 sealed playing card decks
Red and Blue

2008
Louisville Kentucky
July 21-26, 2008

Combined magic convention

IBM - International Brotherhood of Magicians is an organization for both professional and amateur
close-up and stage magicians with approximately 15,000 members worldwide.

SAM - The Society of American Magicians (S.A.M.) is the oldest fraternal magic organization in the world.
Its purpose is "to advance, elevate, and preserve magic as a performing art, to promote harmonious fellowship throughout
the world of magic, and to maintain and improve ethical standards in the field of magic