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 »

1,000 signatures Goal: 5,000

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All Signatures (1,000 total)

26.

Katrina B 12 August 2015

27.

Courtney L 2 August 2015

28.

Alina R 30 July 2015

29.

Barbara K 29 July 2015

30.

Vince W 27 July 2015

31.

Matt S 19 July 2015

32.

Benjaim V 29 June 2015

33.

Staci Metzt 22 June 2015

34.

Dalia Dunn 20 June 2015

35.

Joe W 18 June 2015

"В City and State В"

36.

Richard H 17 June 2015

37.

Erica H 7 June 2015

38.

Kathryn L 2 June 2015

39.

Jamie S 25 May 2015

"for bean and clyde. we did it all for pluto!!! City and State La Puente CA"

40.

Johnny G 24 May 2015

41.

Gennifer M 21 May 2015

42.

Jay G 19 May 2015

43.

Elena Flynn 18 May 2015

"For you, Bean! City and State В"

44.

Denet S 17 May 2015

"contribution deserves recognition City and State Huntington Beach"

45.

Anita Ja 10 May 2015

46.

Neil B 8 May 2015

47.

Jorge C 6 May 2015

"give the man a freaking stamp!!! City and State downey, california"

48.

Rebecca L 3 May 2015

49.

Cyntia N 28 April 2015

"This one is for the BEAN City and State Fountain Valley, Ca"

50.

Teah Howell 19 April 2015

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