Ditunjukkan sekarang: Papua New Guinea - Setem-setem bayaran pos (1990 - 1999) - 21 Setem-setem.
1. February WM: Tiada Perforasi: 14
2. May WM: Tiada Perforasi: 14¼ x 15
11. July WM: Tiada Perforasi: 13¼ x 13½
24. August WM: Tiada Perforasi: 14¼
24. August WM: Tiada Perforasi: 14¼
26. September WM: Tiada Perforasi: 14¼ x 14
| No. | Jenis | D | Warna | Deskripsi |
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| 624 | VX | 20T | pelbagai warna | Numenius phaeopus variegatus | 0.58 | - | 0.29 | - | USD |
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| 625 | VY | 35T | pelbagai warna | Calidris acuminata | 1.16 | - | 0.87 | - | USD |
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| 626 | VZ | 60T | pelbagai warna | Arenaria interpres | 1.73 | - | 1.73 | - | USD |
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| 627 | WA | 70T | pelbagai warna | Xenus cinereus | 2.31 | - | 2.31 | - | USD |
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| 624‑627 | 5.78 | - | 5.20 | - | USD |
31. October WM: Tiada Perforasi: 13¼ x 13
