Lot
1556 
1959, June 8, First Official Missile Mail, USS Barbero. 4¢ Flag stamp tied by "U.S.S. Barbero (SSG-317)" postmark. without date on unaddressed cacheted cover, "Sample Copy for Reproduction Purposes Only" backstamp, Very Fine. AAMC No. 376. Estimate $150 - 200.
Realized: $150