FRANCE (1966) Fontenelle*. Scientists*. Globe*. Deluxe sheet. 300th anniversary of Academy of Science. Scott No 1159, Yvert No 1487.
AVAILABLE AT $20
FRANCE (1969) Georges Cuvier*. Deluxe sheet. Scott No B430, Yvert No 1595.
AVAILABLE AT $15
NORTH KOREA (1971) Scientist pouring chemicals*. Deluxe proof. Scott No 1010, Yvert No 989. Only 50 exist.
AVAILABLE AT $60
FRANCE (1973) Academy of Overseas Sciences*. Deluxe sheet. Scott No 1375, Yvert No 1760.
AVAILABLE AT $20
FRANCE (1986) City of Science and Industry*. Deluxe sheet. Scott No 2001, Yvert No 2409.
AVAILABLE AT $30
NORTH KOREA (1993) Newton*. Apple Tree*. Deluxe proof. Scott No 3266, KSC No 3293.
AVAILABLE AT $40
NORTH KOREA (1999) Darwin*. Deluxe proof. KSC No 3968, Michel No 4169, Scott No 3863.
AVAILABLE AT $40
FRANCE (1994) Polytechnic Institute*. Bloc gommé. Scott No 2407, Yvert No 2862.
AVAILABLE AT $90