Argentina Scott #868 COVER Aeronautics and Space Week $$ 378242
Argentina Scott #999 MNH 1st Argentine Flight to South Poled $$
Argentina Scott #B69-B72 FIRST DAY COVER Communication Plane Ship $$ 378221
Argentina Scott #B69-B72 FIRST DAY COVER Communication Plane Ships $$ 378219
Argentina Scott #B69-B72 FIRST DAY COVERS Communication Plane Ship $$ 378220
Argentina Scott #C110 COVER Int'l Aeronautic and Space Exposition $$ 378199
Argentina Scott #C133 COVER Aeronautics and Space Week $$ 378246