Postage Stamp for Pluto Discoverer Clyde Tombaugh
Astronomer Clyde W. Tombaugh discovered the planet Pluto on February 18, 1930. He was just 24 years old. Pluto was the only planet discovered in the twentieth century and the only one found by an Amer... continue reading »
"Pluto is the best planet/non-planet around! City and State Diamond Bar, California"
"PLUTO ROCKS! City and State DOWNEY, CA"
"For Bean.......so maybe he'll shut up about it! City and State Irvine, CA"
"В City and State В"
"What a tribute to an American & fellow Streatorite! City and State Streator, IL"
"Please addd the honorable Mr. Tombaugh to those deserving Americans who have received stamps City and State Los angeles CA"
"В City and State В"
