Stamps of Costa Rica, 6c denom
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postage
1901, Jan 1901 issue unwmk (no perf info)
| - | 6c | ol & blk | Julian Volio |
1921, Sep 15 Central American independence 100th issue p. 11.5
| - | 6c |
1925 ovpted p. 12
| X | 6c on 10c | redbrn | Columbus soliciting aid |
1926 1926 issue p. 12.5
| - | 6c | dkbrn | Chapui Asylum, San Jose |
official
1903 1903 official b issue p. 14
| - | 6c | ol & blk |
1926 p. 12.5
| - | 6c | och & blk |
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