1943 Costa Rica
1935 Chile
1898 Chile
1949 Saudi Arabia
1957 Malaya Perlis
1918 Russia
1948 Uruguay
1955 Chile
1970 Chile
1974 Albania
1957 Chile
1957-60 Malaya Penang
Commemorative proof cards each feature a stamp from US #2991.
Fleetwood cover set celebrates 11th International Botanical Congress (1969).
For more than 75 years, the UN has worked toward international peace.