10th Anniversary Antarctic Treaty of 1959 Block of Stamps

SOUTH POLE STATION UNDER CONSTRUCTION FIRST DAY OF ISSUE Art Craft JUNE 23 1971 DC 10th Anniversary ANTARCTIC TREATY OF 1959 J.5. Lindsey 4314 7. Nelsom Jh Pemisa del. ANTARCTIC TREATY 1961-1971 U.S. COCO... FIRST DAY OF ISSUE Co ANTARCTIC TREATY 1961-1971 U.S. ANTARCTIC TREATY 1961-1971 CO ANTARCTIC TREATY 1961-1971