Cover bearing two copies of Scott #1338, the first in the lower center with a Buenos Aires first day of issue postmark of April 22, 1982 and the second in the upper right corner bears a Buenos Aires cancellation dated May 10, 1982. The upper center has a copy of Argentina Scott #1307 - a 2000-peso stamp issued on June 13, 1981, to commemorate the 20th anniversary of the Antarctic Treaty and portraying the icebreaker Almirante Irizar - with a postmark from the Falklands (Malvinas) dated May 16. The back of the cover bears a Buenos Aires postmark of May 2.