Argentina /Argentinien, Antarctic / Antarktis registered cover from Antarctic Expedition member D. Voznesenski with 9 cachet and signatur, 2 blue cancel Islas Orcadas del Sur 15.12.1961 with Antarctic stamp on front side, 6 cachet and 2 signatur, also blue cancel Antarctic station Islas Orcadas del Sur 15.12.1961, cancel East Greenwich H.I. 22.05.1963 and 2 cancel Ushuaia 14.05.1963 ans 26.07.1963

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