Page 110 - Demo

Rocket Mail of the WorldUnited StatesTopaz, Douglas County, Nevada, USA %u2014July 1, 1957 %u2014EZ-20C4 %u2014 Rocket Research Institute.With one rocket stamp, perf. On back: %u201cThe Rocket Research Institute, 3262 Castera Avenue, Glendale 8, California%u201d and %u201cGSJ%u201d (the initials of Director George S. James), and the serial number %u201c3903.%u201d This cover was for Rocket #4, of the six launches on this date.Nipton, Clark County, Nevada, USA %u2014 December 31, 1958 %u2014 EZ-23C2 %u2014 Rocket Research Institute (500).With two different 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. 1563. This cover was for launch #2 of the six launches on this date.