Philately Fridays: Cuba, 1970

Five illustrated postage stamps commemorating Cuba's involvement in Expo '70, the World's Fair held in Osaka Japan.

Philately Fridays: Argentina, 1975

Beautifully illustrated stamp celebrating noted Argentinian explorer and cartographer Carlos María Moyano.

Philately Fridays: Hungary, 1979

Hungarian stamp commemorating their pentathlon event, which seems to consist of horseback riding, swimming, shooting, running, and some kind of dancing... or maybe that's fencing?