Signed First Day Cover

Prolific book and dust jacket illustrator (often with McGraw-Hill). Signed First Day Cover, 6½" X 3½", cancelled in Yorktown, Virginia, on 16 October 1981 and with "First Day of Issue" boldly stamped. Two Sacks-designed 18-cent "Yorktown 1781" and "Virginia Capes 1781" stamps at upper right. Fine. No decorative cachet at left; no distracting recipient's name/address. Near the center, in black fineline, Sacks signs boldly. With small portion of original transmittal envelope.