United States of America -
"
SPACE ~ EXPLORING THE SOLAR SYSTEM.
"
MNH ~ Miniature Sheet !
FIRST USPS PENTAGONAL STAMPS !!
Sc #3410.
Year: 2000.
PLEASE NOTE
: The sheet has a crease at the lower right-hand corner - Pix 4, 6 & 8.
[BR2(e)].