South America
1969 Airmail – Olympic Games – Mexico, 1968
1969 Airmail – Olympic Games – Mexico, 1968
1969 Airmail Stamps – Franklin D. Roosevelt Commemoration
1969 Airmail Stamps – Franklin D. Roosevelt Commemoration
1968 Airmail – The 100th Anniversary of Bolivian Stamps
1968 Airmail – The 100th Anniversary of Bolivian Stamps
1968 The 100th Anniversary of Bolivian Stamps
1968 The 100th Anniversary of Bolivian Stamps
1968 Airmail – South American Tennis Championships, La Paz
1968 Airmail – South American Tennis Championships, La Paz
1968 South American Tennis Championships, La Paz
1968 South American Tennis Championships, La Paz
1968 The 100th Anniversary of the ITU, 1965
1968 The 100th Anniversary of the ITU, 1965
1968 The 5th Anniversary of the Death of John F. Kennedy, U.S President
1968 The 5th Anniversary of the Death of John F. Kennedy, U.S President