Flown commemorative cover with a cachet honoring Project Da Vinci, signed in red felt tip by pilots Jimmie Craig and Vera Simons. Notation on the reverse by Simons states: “This cover was carried aboard the gondola by Vera Simons on the 1st flight of Project Da Vinci.” In fine condition. Accompanied by two different unsigned covers which were not flown. RR Auction COA.
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