US056.11
WNS Member
United States of America
Issuing date
4 May 2011
Theme
Astronomy & Space
(Space)
Subject
MESSENGER Mission - First Spacecraft to Orbit Mercury
Width
40.00 mm
Height
25.00 mm
Denomination
Forever
Format
self adhesive sheet of 2 designs
Perforations
11.5 x 11.5
Issuing authority
United States Postal Service
Printer
-