Color limited edition 22 x 34 poster for the 6th Planetary Congress of the Association of Space Explorers held in Groningen, Netherlands, in July 1990, numbered 86/119, signed in silver ink by 53 of the participants, including: Loren Acton, Vladimir Aksyonov, Alexander Alexandrov (Bul.), Alexander Alexandrov (Rus.), Oleg Atkov, John-David Bartoe, Scott Carpenter, Jerry Carr, Jean-Loup Chretien, Charles Conrad, Vladimir Dzhanibekov, Walt Cunningham, John Fabiian, Bertalan Farkas, Anatoli Filipchenko, Reinhard Furrer, Owen Garriott, Georgi Grechko, Frederick Hauck, Miroslaw Hermaszewski, Sigmund Jahn, Leonid Kizim, Vladimir Kovolyonok, Sergei Krikalev, Valeri Kubasov, Valentin Lebedev, Alexei Leonov, Byron Lichtenberg, Don Lind, Oleg Makarov, Jon McBride, Bruce McCandless, Ulf Merbold, Ernst Messerschmid, Abdul Ahad Mohmand, Wubbo Ockels, Robert Overmyer, Don Peterson, Valery Polyakov, Dumitru Prunariu, Pavel Popovich, Valeri Ryumin, Svetlana Savitskaya, Vitali Sevastyonov, Rusty Schweickart, Tom Stafford, Lodewijk van den Berg, James van Hoften, Igor Volk, Taylor Wang, Don Williams, Alexei Yelesiev, and Vyacheslav Zhudov. In fine condition. Accompanied by a certificate of authenticity bearing Garriott's pre-printed signature, and an identification guide to the signatures.
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