Kolar, Joseph. The Great Kolar’s “Handcuff King" Key Set. A collection of approximately 100 antique keys owned by escape artist and magician Joseph Kolar, used for handcuffs and other locks, loose or on chains, a portion stored in pale blue envelopes and annotated with the corresponding device, among these (as annotated): Flash Action, Burdick, Bottle Cuff, German Folding, Maltby, New Peerless, Cummings, Bean Giant, and others. Some keys showing evidence of manipulation and modification. Sold with a cabinet photo of Kolar restrained at the wrist and ankle, two Kolar Christmas cards (one with moveable top hat mechanism, the other a cartoon depicting a police chief), and a piece of Kolar’s letterhead.