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ARNO A. PENZIAS - FIRST DAY COVER SIGNED - HFSID 270744

This First Day Cover is signed by the award-winning physicist in green ink First Day Cover signed:  "Arno Penzias", 6½x3½. FDC celebrating hot air ballooning, 20-cent stamp affixed, postmarked Washington, D.C., March 31, 1983, FIRST DAY OF ISSUE.

Price: $90.00

Condition: Fine condition
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ARNO A. PENZIAS
This First Day Cover is signed by the award-winning physicist in green ink
First Day Cover signed:  "Arno Penzias", 6½x3½. FDC celebrating hot air ballooning, 20-cent stamp affixed, postmarked Washington, D.C., March 31, 1983, FIRST DAY OF ISSUE. Born in Germany, Arno Penzias (1933-2024), of Bell Laboratories, is an American physicist, radio astronomer and Nobel laureate in physics who is co-discoverer of the cosmic microwave background radiation. He was elected a Fellow of the American Academy of Arts and Sciences in 1975. Penzias was co-recipient (with Robert W. Wilson) of a Nobel Prize in Physics in 1978 "for their discovery of cosmic background radiation." This radiation dates back to the origin of the Universe, left over from the Big Bang. Fine condition.

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