Registration stamps of Colombia
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registration
1910, Aug 1 100th Anniversary of Independence issue unwmk (no perf info)
| - | 10c | red & blk | — | — |
1917 1917 reg issue
| - | 4c | grn & ultra | — | — | ||
| - | 10c | bl | — | — |
1917, Aug 25 1917 registration issue p. VARIOUS
| - | 4c | — | — | |||
| - | 10c | Tequendama Falls | — | — |
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