COLOR TEST – IMPERFORATED PAIRS – GJ 1474/78, MNH
“SCIENCE MEN”,WHOLE SET IN IMPERFORATED PAIRS. COLOR TEST IN GUMMED PAPER WITH THE INSCRIPTION “PRUEBAS DE COLOR DECRETO 1754/57” TO BACK.
COMPLETE SET, IMPERFORATED – GJ 1221/3P
COMMEMORATIVE 1961 – INTERNATIONAL PHILATELIC EXPOSITION IN ARGENTINA 1962 – EXCATHEDRALS – COMPLETE SET – NEW, HINGED
DOUBLE IMPRESSION OF BLACK COLOR – GJ 1267A – MNH
5p. ALLIANCE FOR PROGRESS – BLOCK SHEET BORDER
IMPERFORATED BLOCK – GJ 1424P
BLOCK WITHOUT DENTATE 20p. MILITARY NAVAL SCHOOL (TEMEX 67), SCHOOL SHIP “GENERAL BROWN” – MNH
