Czechoslovakia, President Ludvik Svoboda Stamp, c.1968

Czechoslovakia, President Ludvik Svoboda Stamp, c.1968

Italy, Airmail Stamp, c.1940s

Italy, Airmail Stamp, c.1940s

Finland (under the Russian Empire), Russian Empire Eagle Coat of Arms Stamp, c.1911

Finland (under the Russian Empire), Russian Empire Eagle Coat of Arms Stamp, c.1911

Fiji, King George V Stamp, c.1912

Fiji, King George V Stamp, c.1912

Peru, Francisco Pizarro Stamp (Spanish conquistador), c.1896

Peru, Francisco Pizarro Stamp (Spanish conquistador), c.1896

Argentina, José de San Martín (South American independence leader) stamp, c.1917 

Argentina, José de San Martín (South American independence leader) stamp, c.1917 

France, Marianne Stamp, c.1960s

France, Marianne Stamp, c.1960s

Austria, Dragon Fountain in Klagenfurt, c.1957

Austria, Dragon Fountain in Klagenfurt, c.1957

Canada, Queen Elizabeth II Stamp, c.1954

Canada, Queen Elizabeth II Stamp, c.1954

West Germany, Tegel Castle Stamp, c.1965

West Germany, Tegel Castle Stamp, c.1965