Stamps of Costa Rica, wavy lines (Colombia) watermark
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postage
1937 1937 issue wmk. wavy lines (Colombia)
| X | 1c | orchid, p. 12.5 | — | — | ||
| X | 3c | cacao, p. 12.25 | — | — |
airmail
1937, Dec 15 p. 12
| X | 2c | Puntarenas | ||||
| - | 5c | Puntarenas | ||||
| - | 20c | Puntarenas | ||||
| - | 1.40col | Puntarenas |
1938, Jan 11 (no perf info)
| X | 1c | national bank | ||||
| - | 3c | national bank | ||||
| - | 10c | national bank | ||||
| - | 75c | national bank |
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