1998 Gibraltar
2011 Gibraltar
2006 Gibraltar
1945 Colombia
1974 South Georgia
1966 Brunei
2007 Gibraltar
1997 Central African Republic
1993 China, People's Republic of
1964 Brunei
1986 Russia
First commemorative stamps of the 20th century.
Columbus stamp promoted the 1893 Chicago World Columbian Exposition.
A single stamp to cover the one-pound air parcel rate in 1952.