All covers are the number 6 size unless otherwise noted.
All covers are unaddressed unless otherwise noted.
All covers are cacheted unless otherwise noted and a description is given so you know exactly what you are ordering. Plus additional official pictorial Kourou Tracking Station antenna rubber stamp cachet. Also shows the Usuda Space Center Antenna, Japans Deep Space Network Tracking station. NM hand cancel on 22 cent Flag stamp. Greenbelt is the location of the Goddard Space Flight Center.