National Park Service, Yellowstone National Park, Wyoming, 1966 First Day of Issue USA

United States Commemorative Postage Stamp, National Park Service 50th Anniversary,

Issued August 25 1966, at Yellowstone National Park, Wyoming,

First Day of Issue Cover, Fleetwood Engraving 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,