EGYPT (1927) Statue of Amenhotep*. Proof on thin paper in issued colors similar to French community deluxe proofs, printed by Helio-Vaugirard in 1950. Cairo Statistical Congress. Scott No 151. Similar proofs have sold at auction for over $200!
AVAILABLE AT $75
FRANCE (1977) Vasarely. Scott No 1519. Yvert No 1924. Three dimensional design. Trial Color Plate Proofs in margin strip of 5 with color codes in pencil. **.
AVAILABLE AT $200
FRANCE (1958) Urbain Le Verrier*. Die proof in black signed by the engraver DECARIS. Le Verrier discovered the planet Neptune by theoretical calculations and also held a position as administrator of tobacco. Scott No 870, Yvert No 1147.
AVAILABLE AT $140
NIGER (1970) Newton*. Planet orbits*. Satellite*. Deluxe sheet, part of the Pioneers of Space Research Series. Scott No C124, Yvert No PA124. Not easy to find!
AVAILABLE AT $15
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
MONACO (1979) Albert Einstein*. Relativity equation*. Trial color proofs in full sheet of 30. Scott No 1194. Yvert No 1203.
AVAILABLE AT $475
FRANCE (1975) Atom diagram* and waves*. Meter Convention Document*. Scott No 1435. Yvert No 1844. Centenary of International Meter Convention. Deluxe Sheet.
AVAILABLE AT $25
(Image b)
AVAILABLE AT $15
FRANCE (1945) Blaise Pascal*. Maximum card with First Day cancel. Scott No B181. Yvert No 614.
AVAILABLE AT $25
NIGER (1965) Woman adding sums*. Imperforate dated corner block of 4. Scott No 153, Yvert No 159.
AVAILABLE AT $25
RWANDA (1965) Quill*. Retort*. Radical*. Books*. Set of 4 trail color proofs (missing value). Scott No 84. Rwanda University.
AVAILABLE AT $40
AFARS & ISSAS (1975) Ampere*. Electric apparatus*. Trial color proof. Ampere is considered the father of electro-magnetism and was also a noted mathematician. Scott No C92, Yvert No PA107. Not easy to find!
AVAILABLE AT $15
BELGIUM (1988) Jean Monnet*. Imperforate with control number on back. Father of European Community and economist. Scott No 1294, Yvert No 2295.
AVAILABLE AT $20
FRANCE (1999) Map of France*. Flowers*. People*. Die proof in green signed by the engraver. National Census. Scott No 2704, Yvert No 3223.
AVAILABLE AT $90
FRANCE (1996) René Descartes*. Bloc gommé. Scott No 2512, Yvert No 2995.
AVAILABLE AT $75
FRANCE (1937) Descartes*. Unaddressed FDC. Includes both varieties of the stamp - Discours de la Méthode, and Discours sur la Méthode. Scott Nos 330-1.
AVAILABLE AT $20
FRANCE (1981) St. Hubert kneeling before stag*. Trial color proof strip of 5. Scott No 1778, Yvert No 2171. Patron saint of hunters, mathematicians, opticians and metalworkers, his name is also invoked to cure rabies.
AVAILABLE AT $80
GERMANY (1964) Hexagons. Circles. Photo essay (See Note) of unaccepted design for 80th meeting of German Catholics. Scott No 896, Yvert No 309.
AVAILABLE AT $60
FRANCE (1981) St. Hubert kneeling before stag*. Deluxe sheet. Scott No 1778, Yvert No 2171. Patron saint of hunters, mathematicians, opticians and metalworkers, his name is also invoked to cure rabies.
AVAILABLE AT $20
BENIN (1977) Newton*. Heavenly bodies*. Deluxe sheet. Scott No C276, Yvert No PA280.
AVAILABLE AT $25
BELGIUM (1974) Adolphe Quetelet. Imperforate. Scott No 885, Yvert No 1738. Belgian astronomer, mathematician, statistician and sociologist.
AVAILABLE AT $10
VIETNAM (1979) Einstein*. Error missing color black. Scott No 983, Yvert No 165. Normal stamp shown for comparison.
AVAILABLE AT $50
VIETNAM (1979) Einstein*. Double horizontal perforations in block of 4. Scott No 983, Yvert No 165.
AVAILABLE AT $50
FRANCE (1981) Hand* drawing geometric figures*. Faces*. Set of 2 deluxe sheets. PhilexFrance. Scott Nos 1741-2, Yvert Nos 2141-2.
AVAILABLE AT $140
U.S.A. (1961) Fluid*. Viscosity measurement. Blue meter cancellation on piece Pitney Bowes No 129562: "World Leader in Viscosity measurement."
AVAILABLE AT $25