Sold For $123
*Includes Buyers Premium
American astronomer (1906–1997) best known for discovering Pluto in 1930. ALS, one page, 8.5 x 11, personal letterhead, April 4, 1996. In full: “I do not know of any colored photos of Pluto. Black & White photographs taken by the Hubble Space Telescope are now being shown in various scientific magazines. See Your local library. Astronomy, Sky & Telescope. Thank you for the medallion.” In fine condition. RRAuction COA.
