NASA ASTRONAUT, MERCURY 7, 1975 ApolloSoyuz Test Project. From my personal Collection of Space Memorabilia. I have been a collector of Space Memorabilia and Autographs for almost 30 years. The item "DEKE SLAYTON SIGNED CHECK.NASA ASTRONAUT, MERCURY 7, ApolloSoyuz Test Project" is in sale since Friday, October 13, 2017. This item is in the category "Collectibles\Autographs\Space". The seller is "cjmph68" and is located in San Ysidro, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Uruguay, Sri lanka, Russian federation.