NASA Exploring the Planets, Viking Orbiter, Mars, 1991 First Issue USA

United States Commemorative Postage Stamp, Exploring the Planets, Viking Orbiter, Mars,

Issued October 1, 1991, in Pasadena, California,

First Day of Issue Cover, FDC, Artmaster Cachet, Unaddressed, Ideal for Framing,

Cover in Removable Transparent Poly Sleeve and Mailed With Protection,

Made in the USA


Genuine First Day of Stamp Issued Cover Cancelled on the First Day of Issue Date by the U.S. Postal Service,