FRANCE (1985) Computer keyboard*. Map of world*. Deluxe sheet. National Information System. Scott No 1990, Yvert No 2391.
AVAILABLE AT $20
FRANCE (1990) Keyboard*. Stamp Day. Deluxe sheet. Scott No B612, Yvert No 2639.
AVAILABLE AT $20
FRANCE (1990) Keyboard*. Stamp Day. Deluxe sheet. Scott No B613, Yvert No 2640.
AVAILABLE AT $20
NORTH KOREA (2008) Student at computer. Microscope. Basketball. Deluxe proof. Scott No 4796. Compulsory Secondary School Education.
AVAILABLE AT $40
NORTH KOREA (2002) Computer*. Electric transmission tower*. Satellite*. Radio dish*. Deluxe proof. KSC No 4199, Scott No 4222.
AVAILABLE AT $40