Vernon, Dai (David Frederick Wingfield Verner). Group of Dai-Vernon-Owned Magic Gimmicks. Including metal coin and card clips, a hallmarked P&L match gimmick, Card on Wall Gimmick with typewritten partial instructions mentinoning Vernon?s name, a Silk Winder, and various incomplete gimmicked coins a thin metal Okito-type coin box, and other sub-rosa devices used to accomplish various magic tricks. Housed in a vintage Berkeley tobacco tin also owned by Vernon. With a letter of provenance from Vernon?s biographer, David Ben.