Grumman Apollo Program Lunar Module Derivatives for Future Space Missions 1970

**EXTREMELY RARE**Apollo Program Grumman's "Lunar Module Derivatives for Future Space Missions," Circa 1970A Portfolio Containing Thirteen Gorgeous 14" x 11" High-Quality Color Lithographs; All are Artist Concepts of What Might Have Been if The Apollo Moon Missions Had Continued Past Apollo 17.This Set of RARE 13 Lithographs Are in Good Condition with Light Handling. The Portfolio Shows Signs of Wear (two lower corners have folded and creased, name of my late Uncle in top right hand corner on inside portfolio cover)These are a RARE & Special Collection Of The United States Space Exploration History.