Page 115 - Demo

Rocket Mail of the WorldUnited StatesLincolnville, Maine, USA %u2014 April 30, 1960 %u2014 EZ-33C1S.O.A.R. (Society of Applied Rocketry) (1,700).Signed with initials by P.F.Z. (Perry F. Zwisler, secretary of SOAR). Numbered 839 on back. Fort Churchill, Nevada, USA %u2014 July 19, 1960 %u2014 EZ-37C2a %u2014 Rocket Research Institute (1,000).With two rocket stamps, imperf. On back: initialed with GSJ, for George S. James, Chairman of the Board of the Rocket Research Institute, Inc., and stamped No. 2997. Two rockets were launched on this occasion. This cover was for launch #2 of the two launches on this date. Also a First Day Cover for the Pony Express Stamp.