Menampilkan: Kosta Rika - Prangko (1970 - 1979) - 32 prangko.
21. Maret WM: Tiada Perforasi: 10¾
17. Juli WM: Tiada Perforasi: 13¾
7. Agustus WM: Tiada Perforasi: 10½
28. Agustus WM: Tiada Perforasi: 12½
18. September WM: Tiada Perforasi: 11
24. Oktober WM: Tiada Perforasi: 16
13. November WM: Tiada Perforasi: 10½
13. November WM: Tiada Perforasi: 13½
| No. | Tipe | D | Warna | Deskripsi |
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| 1013 | XX | 0.50/65Col/C | warna-warni | Lycaste skinneri alba | 29,48 | - | 14,15 | - | USD |
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| 1014 | XX1 | 0.50/65Col/C | warna-warni | Peristeria elata | 29,48 | - | 14,15 | - | USD |
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| 1015 | XX2 | 0.50/65Col/C | warna-warni | Miltonia roezelii | 29,48 | - | 14,15 | - | USD |
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| 1016 | XX3 | 0.50/65Col/C | warna-warni | Brassavola digbyana | 29,48 | - | 14,15 | - | USD |
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| 1017 | XX4 | 1.20/2.15Col/Col | warna-warni | Warcewiczella discolor | 1,18 | - | 0,59 | - | USD |
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| 1018 | XX5 | 2.00/2.50Col/Col | warna-warni | Oncidium kramerianum | 1,18 | - | 0,59 | - | USD |
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| 1013‑1018 | 120 | - | 57,78 | - | USD |
20. November WM: Tiada Perforasi: 11
6. Desember WM: Tiada Perforasi: 16
