Official color glossy 10 x 8 red-numbered NASA photo (S-72-37001), which shows CMP Ken Mattingly, assisted by LMP Charlie Duke, performing an EVA during the Apollo 16 trans-Earth coast. Reverse bears "A Kodak Paper" watermarks and purple NASA caption text. In fine condition. Encapsulated by PSA as an authentic 'Type I' photograph. From The Gene Kranz Collection. Kranz served as a flight director for Apollo 16.