UNITED NATIONS (1963) Flask*. Imperforate pair. Scott No 115, Yvert Nos 111. Conference on Science & Technology. From the UN printer archives. Rare!
AVAILABLE AT $60
UNITED NATIONS (GENEVA) (1978) Technical Cooperation. Imperforate pair. Scott No 81. From the UN printer archives.
AVAILABLE AT $75
F.S.A.T. (1989) Quoy*. Conpendium decollata quoyia*. Full sheet of 25 imperforates. Scott No 153, Yvert No 151. Slight corner bend.
AVAILABLE AT $200
UNITED NATIONS (GENEVA) (1992) Doctor*. Nurse*. Imperforate pair. Science & Technology Development. Scott No 222. From the UN printer archives.
AVAILABLE AT $75
UNITED NATIONS (GENEVA) (1992) Student in front of computer*. Imperforate pair. Science & Technology Development. Scott No 223. From the UN printer archives.
AVAILABLE AT $75
F.S.A.T. (1994) Adrien Vincendon*. Measurement of magnetic inclination*. Full sheet of 10 imperforates. Scott No 200a, Yvert No 193a.
AVAILABLE AT $160
F.S.A.T. (1995) Research station*. Full sheet of 25 imperforates. Scott No 215, Yvert No 210. Slight corner bend.
AVAILABLE AT $200
NEW CALEDONIA (1974) Science center*. Imperforate corner block of 4. Scott No C110, Yvert No PA153.
AVAILABLE AT $20
ST. PIERRE & MIQUELON (1963) Calmette. Microscope. Sailing vessel. Imperforate corner block of 4. Scott No 366. Yvert No 368. Bacteriologist who developed first snake bite antivenom. Coinventor of tuberculosis vaccine.
AVAILABLE AT $60
ST. PIERRE & MIQUELON (1974) Copernicus. Newton. Einstein. Kepler. Imperforate pair. Scott No C56. Yvert No PA59.
AVAILABLE AT $50
BELGIUM (1974) Adolphe Quetelet. Imperforate. Scott No 885, Yvert No 1738. Belgian astronomer, mathematician, statistician and sociologist.
AVAILABLE AT $10
HUNGARY (1974) Janos Segner*. Water wheel*. Imperforate block of 4. Scott No 2312. Considered the father of the water turbine.
AVAILABLE AT $15
CHAD (1983) Sir Isaac Newton*. Imperforate + perforate gold foil souvenir sheet. Scott Nos 440B.
AVAILABLE AT $15