Two stamps from Zaire celebrating the convergence of telecommunications and health in a groovy early '80s Pushpin-esque fashion.
Four stamps from Czechoslovakia for the 1972 Winter Olympic Games in Sapporo.
Happy Lunar New Year! Here's a bright and sharply illustrated stamp from Japan to celebrate the Year Of The Tiger in 1962.
These appear to be the work of the same artist who designed these Czech stamps.