CENTRAL AFRICA (1985) Halley's comet*. Imperforate S/S. Scott No 785, Yvert No BF82.
AVAILABLE AT $12
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
HAITI (1958) Observatory*. Imperforate corner block of 4. International Geophysical Year. Scott No 426, Yvert No 386.
AVAILABLE AT $140
HAITI (1958) Observatory*. Imperforate corner block of 4. International Geophysical Year. Scott No C121, Yvert No PA131.
AVAILABLE AT $140
AITUTAKI (1986) Halley's comet*. Bayeux tapestry*. Lucerne chronicles*. Set of 3 imperforates. Scott Nos 387-9, Yvert Nos 435-7.
AVAILABLE AT $110
GAMBIA (1993) Early astronomical instrument. Telescope. Set of 2 imperforate proofs. Scott Nos 1448-9.
AVAILABLE AT $60
GHANA (1993) Early astronomical instrument. Telescope. Set of 2 imperforates mounted on Cartor proof card. Scott Nos 1596-7.
AVAILABLE AT $80
GUINEE (1973) Copernic*. Satellite*. Yvert No BF26. Scott No 659. 500ème anniversaire de sa naissance. Bloc non dentelé. **.
AVAILABLE AT $25
DJIBOUTI (1984) Galileo's telescope*. Set of 2 imperforate corner blocks of 4. Scott Nos C207-8, Yvert Nos PA213-4.
AVAILABLE AT $40
MAURITANIA (1986) Halley's Comet*. Set of 4 imperforate corner blocks of 4. Scott Nos 619-21, Yvert Nos 581-3,PA243.
AVAILABLE AT $60
AJMAN (1972) Kepler*. Set of 2 imperforate S/S. Michel Blocks 361-2.
AVAILABLE AT $10
(Image b)
AVAILABLE AT $20
(Image b)
AVAILABLE AT $25
(Image b)
AVAILABLE AT $20
AJMAN (1972) Kepler*. Set of 2 imperforate blocks of 4. Michel No 1296-7.
AVAILABLE AT $40
(Image b)
(Image c)
AVAILABLE AT $40
GUINEA (1973) Copernicus*. Planets*. Set of 6 imperforate pairs. Scott Nos 653-8, Yvert Nos 511-6.
AVAILABLE AT $75
MALDIVES (1974) Copernicus Orbiting Observatory. Imperforate S/S. Scott No 478.
AVAILABLE AT $30
NIUAFO'OU (TIN CAN ISLAND) (1986) Passage of Halley's comet in 684, 1066, 1910*. Portion of Bayeux tapestry*. Halley*. Set of 2 imperforate plate proof strips of 5 Yvert Nos 62-70, Scott Nos 64-5. Difficile à trouver!]
AVAILABLE AT $75
TONGA (1986) Halley's comet*. Halley*. Planetary orbits*. Telescope*. Giotto probe*. Set of 2 imperforate plate proof strips of 5. Scott Nos 616-7, Yvert Nos 621-2.
AVAILABLE AT $75
COMORO ISLANDS (1979) Kepler*. Copernicus*. Pluto*. Imperforate block of 4. Scott No 505. 50th anniversary of discovery of Pluto.
AVAILABLE AT $25
MALI (1980) Neptune* et orbite de Pluton*. Bloc de 4 non dentelé au coin de feuille. Yvert No PA388. Scott No C390. 50ème anniversaire de la découverte de Pluton.
AVAILABLE AT $20
(Image b)
(Image c)
AVAILABLE AT $100
CAMBODIA (1973) Copernicus*. Various space & flight achievements*. Set of 9 imperforates. Scott Nos 324-30,C46-7.
AVAILABLE AT $80
(Image b)
AVAILABLE AT $75
CAMBODIA (1973) Copernicus*. Concorde*. Imperforate S/S. Scott No C47.
AVAILABLE AT $12
(Image b)
(Image c)
(Image d)
AVAILABLE AT $40
(Image b)
AVAILABLE AT $50
U.S.A. (1980) Benjamin Banneker*. Traverse*. Imperforate pair. Banneker was an African-American scientist who compiled an ephemeris for almanacs in the late 18th century. He constructed a clock with works entirely of wood that kept accurate time for 50 years. He participated and later recreated entirely from memory the survey of the territory that later became Washington DC. Scott No 1804, Yvert No 1273.
AVAILABLE AT $20
DJIBOUTI (1986) Halley's comet*. Set of 2 imperforate pairs. Scott Nos 610-2.
AVAILABLE AT $20