Uncommon color glossy 9.5 x 8 photo of Gordon Cooper riding horseback on a scenic hill with fellow astronauts Charles Conrad and Deke Slayton riding horses close behind, affixed to its original 14 x 11 mount, signed in black felt tip by Cooper and Slayton, and in blue felt tip by Conrad. In fine condition. The photographer, who was part of the hunting trip, was Colin A. ‘Red’ Harrison, a chief engineer and project manager with Martin Marietta in its work on NASA's Mercury, Gemini, and Apollo programs. Accompanied by its original NASA mailing envelope addressed to Harrison. Pre-certified Zarelli Space Authentication.
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