Now showing: Papua New Guinea - Postage stamps (1970 - 1979) - 9 stamps.
22. únor WM: Žádný Perforation: 14 x 15
12. červen WM: Žádný Perforation: 12
20. listopad WM: Žádný Perforation: 11¾
| No. | Typ | D | Color | Description |
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| 276 | IW | 7(C) | multicoloured | Dendrobium bracteosum | 0.59 | - | 0.59 | - | USD |
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| 277 | IX | 10(C) | multicoloured | Dendrobium anosmum | 0.59 | - | 0.59 | - | USD |
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| 278 | IY | 20(C) | multicoloured | Dendrobium smillieae | 1.17 | - | 1.17 | - | USD |
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| 279 | IZ | 30(C) | multicoloured | Dendrobium insigne | 1.76 | - | 1.76 | - | USD |
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| 276‑279 | 4.11 | - | 4.11 | - | USD |
