2/FE/1942 (first mail): Airmail cover sent from Islas Orcadas Antarctic base to B.Aires franked with 5c. (GJ.852), special violet handstamp, light staining
MIXED POSTAGE: Cover sent from Orcadas Antarctic base to Mendoza on 13/JA/1986, franked with $a55 + A 0.03 (2107A + 2108A + 2113A + 2211), stamps of the Flowers issue in Pesos + Australes, VF