The First United States Commemorative Postage Stamp Honoring Nobel Prize Winner Albert Einstein (1879-1955), World Renounced Physicist, Prominent Americans Series, e=mc squared,

Issued March 14, 1966 in Princeton, New Jersey,

First Day of Issue Cover, FDC, Unaddressed, Art Craft Engraving Cachet, "The most incomprehensible thing about the world is that it is comprehensible.

Albert Einstein was one of the greatest theoretical thinkers of all time. His theories of energy, space, time, and gravity profoundly changed our understanding of the universe which for many years was governed Newton's observations of everyday experiences.

The Photoelectric Effect, Special Theory of Relativity, and General Theory of Relativity are among his contributions.

*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,