Unique hand-addressed mailing envelope, 10 x 4.5, artistically addressed in black felt tip in Calder’s hand to “Curt Valentin, 32 East 57 Street, New York City.” Calder cleverly incorporated a face and hands into the letters of the first name, eyes and a nose into the first letter of the last name, and a light sketch in red pencil to create an image of a full face. Envelope is indistinctly postmarked Roxbury, Connecticut, during the 1940s. In fine condition. Pre-certified PSA/DNA and RR Auction COA.
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