The Fifteen-cent Prexie
South American airmail usage
The airmail rate to Ecuador, British Guiana, Dutch Guiana (Surinam), French Guiana, Peru and Venezuela was fifteen cents per half ounce from April 1, 1945 through October 31, 1946. The rate to Colombia was fifteen cents from December 8, 1945 until October 31, 1946.
An airmail letter sent from New York to Cayenne, French Guiana in 1945, shortly after the fifteen-cent rate went into effect.
Airmail letter sent from Colorado to Caracas, Venezuela in 1945.