CHRISTOPHER, Milbourne (1914-1984). Milbourne Christopher?s Thumbcuffs and Signed Actor?s Equity Membership Card. Framed presentation includes the September, 1948 cover of The Sphinx featuring Christopher wearing thumbcuffs, the original chrome-plated restraints shown in the cover photograph, and another ad showing Christopher in later years wearing the cuffs from a performance wherein he portrayed Houdini at Lincoln Center. Framed together with Christopher?s Actor?s Equity signed membership card (dated May 1, 1968). Card approximately 2 x 3 ??. Frame 20 ? x 24?. Christopher was one of the most prominent illusionists and magic authors of his time, serving as President of the Society of American Magicians, and was a founding member of the Committee of Skeptical Inquiry. He wrote many books on magic tricks and magicians, including The Illustrated History of Magic (1974).