Stamps of Colombia, 1st National Orchid Exhibition issue
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postage
1967, Apr 1 1st National Orchid Exhibition issue unwmk p. 14
| X | 25c | multi | Monochaetum orchid & bee | |||
| - | 2p | multi | Passiflora & butterfly |
airmail
1967, Apr 1 1st National Orchid Exhibition issue (6 stamps)
| - | 1p | multi | Cattleya dowiana | |||
| - | 1p | multi | Cattleya dowiana | — | — | |
| - | 1.20p | multi | Masdevallia coccinea | |||
| - | 1.20p | multi | Masdevallia coccinea | — | — | |
| - | 5p | multi | Catasetum macrocarpum | |||
| - | 5p | multi | Catasetum macrocarpum | — | — |
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