601 to 604 of 604
postal tax
1920 1920 postal tax issue unwmk p. 12
| - | 2c | grn | Post Office Quito | — | — | |
| - | 2s | vio | Post Office Quito | — | — | |
| - | 5s | bl | Post Office Quito | — | — |
1924 1924 postal tax issue
| - | 20c | bisbrn | Post Office Quito | — | — |
601 to 604 of 604
| - | 2c | grn | Post Office Quito | — | — | |
| - | 2s | vio | Post Office Quito | — | — | |
| - | 5s | bl | Post Office Quito | — | — |
| - | 20c | bisbrn | Post Office Quito | — | — |