Argentina note after Scott #B80-B83 MNH SHEETS Buenos Aires '80 EXPO CV$125+
Argentina Scott #1382 MNH OVPT Tucuman Philatelic Society on Flowers $$
Argentina Scott #B92-B95 MNH Paintings ART Espamer '81 Stamp Expo CV$4+
Argentina Scott #C105 COVER Antarctic Map and Rocket STAMP EXPO $$ 378197