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Clyde W. Tombaugh and J. W. Christy

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:100.00 - 200.00 USD
Clyde W. Tombaugh and J. W. Christy

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Auction Date:2011 Dec 07 @ 18:00 (UTC-05:00 : EST/CDT)
Location:5 Rt 101A Suite 5, Amherst, New Hampshire, 03031, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
Tombaugh was an American astronomer (1906–1997) best known for discovering Pluto in 1930; Christy is an American astronomer who discovered Pluto’s moon, which he named Charon. Two original sketches on the same off-white 10 x 6.75 card, one done in ink in Christy’s hand, depicting Charon, the Center of Mass, and Pluto, signed “JW Christy, 1/8/95,” and the other done in black felt tip in Tombaugh’s hand, illustrating Charon and Pluto, signed, “In Correct Proportion: Clyde W. Tombaugh, 9 June 1995, Charon and Pluto.” In fine condition.