BELGIUM (1966) Medieval scholar. Imperforate. Scott No 668, Yvert No 1378. National scientific heritage.
AVAILABLE AT $12
FRANCE (1962) Denis Papin*. Pressure cooker*. Deluxe sheet. Scott No B359, Yvert No 1347.
AVAILABLE AT $15
BELGIUM (1986) Baron Michel Edmond de Sélys Longchamps. Ministerial proof. Scott No 1255, Yvert No 2226. Authority on dragonflies.
AVAILABLE AT $50
FRANCE (1970) De Broglie*. Ray-producing apparatus*. Deluxe sheet. Scott No B439, Yvert No 1627.
AVAILABLE AT $20
ETATS UNIS (1945) Bâtiment* de la Spencer Lens Compagnie. Empreinte violette de machine à affranchir sur pli Pitney Bowes No 92293: "Spencer pour l'optique de précision. Instruments scientifiques."
AVAILABLE AT $25
MONACO (2013) Jules Richard. Stage die proof in black signed by the engraver. Richard was an oceanographer who accompanied Albert I on many expeditions.
AVAILABLE AT $175
GERMANY (1984) Ernst Ludwig Heim, botanist*. Specimen (overprinted MUSTER). Scott No 9N496, Yvert No 684.
AVAILABLE AT $15
FRENCH POLYNESIA (1986) Map of island*. Scientists*. Deluxe sheet, Stockholmia 86 souvenir sheet, showing Swedish scientists who accompanies Captain Cook on his voyage of discovery against background of nautical themes. Scott No C220, Yvert No BF12. Not easy to find!]"
AVAILABLE AT $25
FRANCE (1956) Cicada*. Mantis*. Dung-beetle*. Jean Henri Fabre*, entomologist*. Stage die proof in black. Most of the detail of the insects is missing. Scott No 790. Yvert No 1055.
AVAILABLE AT $175
FRANCE (1956) Cicada*. Mantis*. Dung-beetle*. Jean Henri Fabre*, entomologist*. Beautifully hand-colored die proof (unsigned, but by Robert CAMI). Scott No 790. Yvert No 1055.
AVAILABLE AT $250
NORTH KOREA (1997) Poster: Soldier. Miner. Scientist. Farmer. Deluxe proof. KSC No 3760, Scott No 3631.
AVAILABLE AT $40
U.S.A. (1947) Washington*. Franklin*. Photo essay (See Note) of final design commemorating centenary of US postage stamps. Scott No 947, Yvert No 499. Rare!
AVAILABLE AT $60
FRANCE (1956) Benjamin Franklin* (inventor of lightning rod and electric battery, founder of the US postal service, diplomat, etc.). Scott No 814. Yvert No 1085. Imperforate.
AVAILABLE AT $10
FRANCE (1956) Benjamin Franklin* (inventor of lightning rod and electric battery, founder of the US postal service, diplomat, etc.). Scott No 814. Yvert No 1085. Deluxe sheet.
AVAILABLE AT $20
NEW CALEDONIA (1994) Research ship "Atalanta"*. Undersea topographical map*. Imperforate corner block of 4. Scott No C264, Yvert No PA321.
AVAILABLE AT $25
NEW CALEDONIA (1994) Research ship "Atalanta"*. Undersea topographical map*. Imperforate pair. Scott No C264, Yvert No PA321.
AVAILABLE AT $12