The Thirty-cent Prexie
Registered airmail to South or Central America
Twenty cents was the foreign registry fee from February 1, 1945 until January 1, 1949. Airmail postage to South and Central America was ten cents per half ounce from November 1, 1946 to July 1, 1961.
This cover was sent registered to Argentina on August 11, 1947.
