Stamp depicts Albert Einstein and the the equation of mass-energy equivalence (E=MC2). Einstein has been featured on numerous stamps from around the world. His first appearance on a stamp is believed to be on this…
Cachet and stamp depict Albert Einstein. Cachet also depicts Einstein's formula for mass-energy equivalence and is from the Prominent Americans Series. The postmark is from Princeton, New Jersey.
UNESCO stamp depicting Albert Einstein and his formula for mass-energy equivalence.