1982 Central African Republic
1969 Brunei
1992 Russia
1970 Dominican Republic
1983 Comoro Islands
1964 Brunei
1996 Burkina Faso
1978 Djibouti
1966 Brunei
1982 Bhutan
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.