United States Commemorative Postage Stamp, ECHO 1, The World's First Communications Satellite, NASA Space,
Issued December 15, 1960 in Washington, D.C.,First Day of Issue Cover, FDC, Fleetwood Engraving Cachet, Unaddressed,
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,
