Stamps, 11th General Assembly of Technical Committees of the Pan-American Historical and Geographical Instit issue

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Ecuador

postage

1977, Aug 16 11th General Assembly of Technical Committees of the Pan-American Historical and Geographical Instit issue unwmk (no perf info)
Colnect-2545-003-Globe.jpg
- 2s multi Flourescent paper

airmail

1977, Aug 16 11th General Assembly of Technical Committees of the Pan-American Historical and Geographical Instit issue
Colnect-2545-004-Meeting-building-in-Quito.jpg
- 5s multi Flourescent paper

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