Posts: 2610 From: Brussels, Belgium Registered: Dec 2000
posted 07-22-2015 12:24 PM
My previous cover signed by Clyde Tombaugh just sold at... $650 ...so I feel encouraged to offer a second one: Lima, NY, pictorial postmarker "Pluto Station" with a bold and clear autograph of Clyde Tombaugh, adding a bold text about his role as discoverer of Pluto.