Stamps of Ecuador, 11th General Assembly of Technical Committees of the Pan-American Historical and Geographical Instit issue
1 to 2 of 2
postage
1977, Aug 16 11th General Assembly of Technical Committees of the Pan-American Historical and Geographical Instit issue unwmk (no perf info)
| - | 2s | multi | Flourescent paper |
airmail
1977, Aug 16 11th General Assembly of Technical Committees of the Pan-American Historical and Geographical Instit issue
| - | 5s | multi | Flourescent paper |
1 to 2 of 2