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Lot #221
Clyde Tombaugh Signature with ALS - PSA MINT 9

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Estimate: $200+
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Description

Ink signature, "Clyde W. Tombaugh, Discovered 9th planet, Pluto, on 18 Feb. 1930,” on an off-white 5 x 3 card, the reverse of which bears an ALS in pencil by Tombaugh signed with his initials, “CWT.” Dated June 23, 1996, the brief handwritten letter reads: "I get hundreds of requests for autographed photos. I cannot cope with this problem too much time and expense." In very fine condition. Encapsulated and graded by PSA/DNA as "MINT 9."

Auction Info

  • Auction Title: Fine Autograph and Artifacts
  • Dates: #672 - Ended August 16, 2023