Lot
930 
John Glenn, signature on six different Project Mercury cachet covers; five from 1962 with Feb. 20th postmarks from Port Canaveral, Fl. (2 different), U.S.S. Alstede, Patrick Air Force Base, Fla., and Cape Canaveral, other from 1972 commemorating flight, Very Fine. Estimate $200 - 300.
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Realized: $120