Four brightly colored Israeli stamps promoting education.
Lovely illustrated stamp from Spain telling everyone to take care of the sea.
Block of stamps showing Canada throughout the years in honor of Canada Day, 1981. Designed by Raymond Bellemare.
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Two spacy stamps celebrating the second Soviet-Bulgarian space flight!
Three stamps for the International Exhibition in Plovdiv, a world expo themed around the creations of young inventors.
Three thick-lined logo-emblazoned Swiss stamps commemorating the 100th anniversary of the Swiss Hotel Association, 150 years of the Swiss Federal Gymnastics Club, and pure water (no Master P).