Unusual cover carried in the spacecraft simulator during training for Mercury-Atlas 6, signed along the left edge, "Carried in Flight Simulator 1/18/62, John H. Glenn, Jr." Postmarked at Patrick Air Force Base on January 18, 1962. In fine condition. Accompanied by two cardstock photos of Glenn during training. This simulator-carried cover is as close to a flown cover from Mercury-Atlas 6 as exists—no covers were actually flown on the mission, which took place just over a month later on February 20th. Additionally, this is the only known such example of a 'simulator flown' cover from Glenn's historic mission. From the collection of aerospace memorabilia specialist Ken Havekotte.
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