MONACO (1955) Jules Verne*. Cave*. Prehistoric animals*. Trial color proof pair. Journey to the Center of the Earth. Scott No 346, Yvert No 433.
AVAILABLE AT $20
AVAILABLE AT $80
NORTH KOREA (1994) Fossil of Archaeopteryx*. Deluxe proof. KSC No 3486a, Michel No 3613, Scott No 3371.
AVAILABLE AT $40
NORTH KOREA (1994) Fossil of Onsong fish*. Deluxe proof. KSC No 3489, Michel No 3610, Scott No 3368.
AVAILABLE AT $40
NORTH KOREA (1994) Fossil of Metaquoia*. Deluxe proof. KSC No 3486b, Michel No 3611, Scott No 3369.
AVAILABLE AT $40
FRANCE (1963) Jacques Amyot*. Deluxe sheet. Scott No B367, Yvert No 1370.
AVAILABLE AT $20