ETATS UNIS (1973) Copernic. Yvert No 981. Scott No 1488. 500ème anniversaire de sa naissance. Variété: déplacement de la couleur jaune.
SOLD
BENIN (1980) Kepler. Planetary orbits. Satellites. Set of 2 imperforate corner blocks of 4. Yvert Nos 520-1. Scott Nos 501-2.
AVAILABLE AT $40
CENTRAL AFRICA (1985) Halley's comet. Imperforate S/S. Scott No 785, Yvert No BF82.
AVAILABLE AT $12
BENIN (1986) Halley's comet. Imperforate pair. Scott No 616.
AVAILABLE AT $10
GUINEA (1986) Halley's comet. Giotto probe. Imperforate S/S. Scott No 990, Yvert No BF64.
AVAILABLE AT $10
TOGO (1986) Halley's comet. Set of 4 imperforate pairs. Scott Nos 1361-4.
AVAILABLE AT $40
CENTRAL AFRICA (1987) William Herschel. Uranus. Imperforate pair. Scott No 844.
AVAILABLE AT $10
FRANCE (1984) Montsegur castle. Pog rock. Deluxe sheet. Montsegur castle was an outpost of the Catharists, a dissident sect of the Knights Templar, and is reputed to be the last known residence of the Holy Grail. In addition, the windows are aligned so that on the summer solstice, the sun shines in through the windows on one side and out the other. Scott No 1917A, Yvert No 2335.
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.
U.S.A. (1975) Pioneer 10* passing Jupiter. Perforation shift resulting in the inscription appearing partly on top and partly on bottom of stamp. Scott No 1556. Yvert No 1044.
GUINEA-BISSAU (2006) Galileo telescope. Gagarin Vostok I. von Braun Rocket. Armstrong Apollo lander. Set of 4 imperforates with decorative borders.