FRANCE (1950) Buffon. Epreuve de luxe. Yvert No 856. Scott No B241. Naturaliste, auteur de l'Histoire naturelle en 40 volumes!
AVAILABLE AT $25
FRANCE (1957) Newton. Die proof in black signed by the engraver MUNIER. Scott No 861, Yvert No 1136.
AVAILABLE AT $140
FRANCE (1966) Fontenelle. Scientists. Globe. Die proof in biolet signed by the engraver GANDON. 300th anniversary of Academy of Science. Scott No 1159, Yvert No 1487.
AVAILABLE AT $140
NEW CALEDONIA (1974) Science center. Imperforate corner block of 4. Scott No C110, Yvert No PA153.
AVAILABLE AT $20
U.S.A. (1978) Stanford University Logo. Envelope with cachet of Siple Station, Antarctica Magnetospheric Research Group, signed by Medical Officer. Cancelation of US Navy FPO.
AVAILABLE AT $30
FRANCE (1978) Claude Bernard. Deluxe sheet. Scott No B510, Yvert No 1990a. First defined homeostasis and suggested blind experimentational methods.
AVAILABLE AT $15
FRANCE (1981) Micro-organism in evolution* under microscope. Die proof in black signed by the engraver BEQUET marked "ep. d'état." . Scott No 1724, Yvert No 2127.
AVAILABLE AT $175
MONACO (1987) Isaac Newton. Formula for gravity. Original artwork, pencil on posterboard 32 x 24 cm (could be trimmed to 26 x 19 cm to include only the design and signature), signed by the artist JUMELET. Scott No 1801.
AVAILABLE AT $400
AUSTRIA (1992) Paul Kitaibel. Black proof. Famous botanist. Scott No 1562, Yvert No 1885.
AVAILABLE AT $15
FRANCE (1994) Formula for wave properties of matter. Bloc gommé. Scott No 2420, Yvert No 2879. Louis de Broglie.
AVAILABLE AT $100
NEW CALEDONIA (1994) Microscope* examining Earth. Images flowing through computer screen. Deluxe sheet. Scott No C268, Yvert No PA325. ORSTOM 50th anniversary.
AVAILABLE AT $25
FRANCE (1997) Participatory innovation. Bloc gommé. Scott No 2553, Yvert No 3043.
AVAILABLE AT $40
AUSTRIA (1999) Draftsman's tools. Books. Black proof. Austrian patent office. Scott No 1781.
AVAILABLE AT $15
AUSTRIA (2015) Joseph Hardtmuth. Black print. First mass-produced cheap pencils.
AVAILABLE AT $15
FRANCE (1994) National Conservatory of Arts & Crafts. Bloc gommé. Foucault's pendulum. Scott No 2436, Yvert No 2904.
FRANCE (1986) Auto. Train. Mulhouse Technical Museum. Deluxe sheet. Scott No 2025, Yvert No 2450.
AUSTRIA (1987) Ernst Mach. Black proof. Bet you didn't know he was a significant philosopher also. Scott No 1419, Yvert No 1740.
NEW CALEDONIA (1994) Research ship "Atalanta". Undersea topographical map. Deluxe sheet. Scott No C264, Yvert No PA321.