BELGIUM (1983) Woman at computer consoles. Ministerial proof. Scott No 1139, Yvert No 2086. Homage to women.
AVAILABLE AT $50
NORTH KOREA (2008) Student at computer. Microscope. Atomic symbol. Saturn. Basketball players. Photo proof from printer's archive. Scott No 4796. KSC No 4599A. Only 5-10 printed as test print prior to actual printing of the stamps. Each has official Korea Post stamp on reverse. Compulsory SecondaryShool Education.
AVAILABLE AT $100