Cover with handstamp of 25th anniversary of Marambio Antarctic base, sent from Río Gallegos to the base on 29/OC/1994, with mark "CORRESPONDENCIA DEMORADA", and arrival backstamp 11/MAR/1997
Cover commemorating 45th anniversary of first landing of an airplane in Antarctica on a natural strip, sent from Marambio Antarctic base to B.Aires on 29/OC/2014
Envelope of the "Secretario de Estado de Guerra" (Secretary of State for War) with varied stamps and marks of different Antarctic bases and expeditions, including "Operación Polo Sur" of 10/DE/1965, also postage stamp of USA cancelled "Pole Station Antarctica", very attractive!
Large cover franked with 8 pairs + single of 12c. Mitre with different cancels of various Argentine Antarctic bases + Orcadas, between 15/JA/1952 and 3/JA/1956, very attractive!
Map of Argentine Antarctica with a couple of stamps with postmarks of "Destacamento Naval Melchior 3/JA/1949" and "Destacamento Naval Decepción 25/JA", also with the signatures of several members of the staff of both bases, very attractive!
