Stamps of Guyana, 30 Sep 1991
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postage
1991, Sep 30 700th Anniversary of the Swiss Federation - Orchids issue unwmk (no perf info) (7 stamps)
| - | $7.65 | multi | Lycaste virginalis | .20 | .20 | |
| - | $50 | multi | Odontoglossum crispum | |||
| - | $100 | multi | Dendrobium densiflorum | |||
| - | $190 | multi | Odontoglossum sp. | |||
| - | $360 | multi | Cycnoches ventricosum | — | — | |
| - | $360 | multi | Paphiopedilum sp. | — | — | |
| - | $360 | multi | Miltonia sp. | — | — |
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