Menampilkan: Kosta Rika - Prangko (1970 - 1979) - 19 prangko.
14. Mei WM: Tiada Perforasi: 12½
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, Tipe QO]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO-s.jpg)
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, Tipe QO1]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO1-s.jpg)
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, Tipe QO2]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO2-s.jpg)
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, Tipe QO3]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO3-s.jpg)
20. Mei WM: Tiada Perforasi: 10
![[Inauguration of the New Administration Building of the Universal Postal Union, Tipe QP]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QP-s.jpg)
![[Inauguration of the New Administration Building of the Universal Postal Union, Tipe QQ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QQ-s.jpg)
14. September WM: Tiada Perforasi: 11
![[Airmail - "Costa Rica 70" Philatelic Exhibition, Tipe QR]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QR-s.jpg)
![[Airmail - "Costa Rica 70" Philatelic Exhibition, Tipe QS]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QS-s.jpg)
22. Oktober WM: Tiada Perforasi: 13¼
![[Airmail - Expo 70, Tipe QT]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QT-s.jpg)
![[Airmail - Expo 70, Tipe QU]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QU-s.jpg)
![[Airmail - Expo 70, Tipe QV]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QV-s.jpg)
![[Airmail - Expo 70, Tipe QW]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QW-s.jpg)
![[Airmail - Expo 70, Tipe QX]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QX-s.jpg)
![[Airmail - Expo 70, Tipe QY]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QY-s.jpg)
4. November WM: Tiada Perforasi: 12¾
![[Airmail - Costa Rican Paintings, Tipe QZ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QZ-s.jpg)
![[Airmail - Costa Rican Paintings, Tipe RA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RA-s.jpg)
![[Airmail - Costa Rican Paintings, Tipe RB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RB-s.jpg)
![[Airmail - Costa Rican Paintings, Tipe RC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RC-s.jpg)
![[Airmail - Costa Rican Paintings, Tipe RD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RD-s.jpg)
| No. | Tipe | D | Warna | Deskripsi |
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| 792 | QZ | 25C | warna-warni | Irazu (R. A. Garcia) | 0,88 | - | 0,29 | - | USD |
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| 793 | RA | 45C | warna-warni | Escazu Valley (M. Bertheau) | 0,88 | - | 0,29 | - | USD |
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| 794 | RB | 80C | warna-warni | Estuary Landscape (T. Quiros) | 1,18 | - | 0,59 | - | USD |
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| 795 | RC | 1.00Col | warna-warni | The Other Face (C. Valverde) | 1,18 | - | 0,88 | - | USD |
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| 796 | RD | 2.50Col | warna-warni | Madonna (L. Daell) | 2,94 | - | 2,36 | - | USD |
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| 792‑796 | 7,06 | - | 4,41 | - | USD |
