June Allyson, Polly Bergen, Gordon & Sheila MacRae, Mr. & Mrs. George Montgomery and Garry Moore Blackboard Signatures from What's My Line? (CBS TV, 1950-1967). A group of five "blackboard" very large white chalk signatures of June Allyson, Polly Bergen, Gordon and Sheila MacRae, Mr. and Mrs. George Montgomery (wife Dinah Shore), and Garry Moore from the early game show What's My Line? A hallmark of the show was when a mystery guest entered and silently signed their name on a blackboard (actually black construction paper). Each one measures approximately 27 x 21 in. In generally fine condition with only some light smudges to the signatures. HID03101062020 © 2022 Heritage Auctions | All Rights Reserved

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