Argentina. ANTARCTIC EXPLORATION COLLECTION ON PAGES: 1947-65, 17 items, including pairs, blocks of 4, 6 or 12, representing blocks of issued stamps, several plate varieties, printing on both sides or on gum side only, imperforated pairs and blocks, neatly arranged on exhibition style pages, full OG, mainly NH, F/VF, Est. $300-$400 (Image)