U.S.A. (1975) Pioneer 10* passing Jupiter*. Color shift resulting in double image of Jupiter and its moons. Scott No 1556. Yvert No 1044.
AVAILABLE AT $40
U.S.A. (1993) Saturn*. Rockets*. Vertical misperforation with part of adjacent stamp attached. Scott No 2741, Yvert No 2132.
AVAILABLE AT $75