Lunar flown .5 x .5 film chip fragment from the historic Apollo 17 mission, affixed to an 8.5 x 11 certificate of authenticity signed by Richard W. Underwood, Supervisory Aerospace Technologist at the Johnson Space Center. Certificate details the chronology of the film chip from after liftoff until its Pacific Ocean splashdown. In fine condition. Underwood was responsible for developing the Apollo photographs—in fact he was the first person to view every photograph from the Gemini, Apollo, Skylab, Apollo-Soyuz, and the first 23 space shuttle missions.