Fifty-eight astronauts and cosmonauts from 18 nations gathered October 5-10, 2010 in Kuala Lumpur, Malaysia for the XXIII Planetary Congress of the Association of Space Explorers (ASE). The theme of the XXIII Congress was “1 Planet, 1 Hope, 1 Future”, reflecting the Association’s belief that all nations and people play an important role in the protection and preservation of our home planet. The XXIII Planetary Congress was hosted by Malaysian astronaut Sheikh Muszaphar.. This poster commemorates the XXIII Congress and bears the authentic signatures of the participating astronauts and cosmonauts. This poster is part of a series of limited collector’s edition posters that have been produced and signed at each ASE Congress since the Association was founded in 1985. One hundred eighty three posters were signed at the XXIII Congress. The poster has two headings, the main heading in English at the top, with the Russian displayed at the bottom. Around the periphery are printed translations of “Association of Space Explorers” in the native languages of the Founding Members of the Association of Space Explorers. # in series: 183 Signature key included