NASA - Mars A collection of 65 vintage gelatin silver prints, views of the whole planet and (the majority) of surface features, each 20 x 25 cm., 8 x 10 in., from Mariners 4, 6, 7 and 9 (1965-1972) and from Viking 1 and 2, Orbiters and Landers (1976-1977), a few duplicates, a couple with slightly reduced margins otherwise in excellent condition (65)