Muri Bhalissa: Kosta Rica - Bolol tal-posta (1970 - 1979) - 19 bolol.
14. May WM: Xejn Perforazzjoni: 12½
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, Tip QO]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO-s.jpg)
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, Tip QO1]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO1-s.jpg)
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, Tip QO2]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO2-s.jpg)
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, Tip QO3]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO3-s.jpg)
20. May WM: Xejn Perforazzjoni: 10
![[Inauguration of the New Administration Building of the Universal Postal Union, Tip 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, Tip QQ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QQ-s.jpg)
14. September WM: Xejn Perforazzjoni: 11
![[Airmail - "Costa Rica 70" Philatelic Exhibition, Tip QR]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QR-s.jpg)
![[Airmail - "Costa Rica 70" Philatelic Exhibition, Tip QS]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QS-s.jpg)
22. October WM: Xejn Perforazzjoni: 13¼
![[Airmail - Expo 70, Tip QT]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QT-s.jpg)
![[Airmail - Expo 70, Tip QU]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QU-s.jpg)
![[Airmail - Expo 70, Tip QV]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QV-s.jpg)
![[Airmail - Expo 70, Tip QW]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QW-s.jpg)
![[Airmail - Expo 70, Tip QX]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QX-s.jpg)
![[Airmail - Expo 70, Tip QY]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QY-s.jpg)
| Le. | Tip | D | Kulur | Deskrizzjoni |
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| 786 | QT | 10C | multi kkulurita | 0.26 | - | 0.26 | - | USD |
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| 787 | QU | 15C | multi kkulurita | 0.26 | - | 0.26 | - | USD |
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| 788 | QV | 35C | multi kkulurita | 0.52 | - | 0.26 | - | USD |
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| 789 | QW | 40C | multi kkulurita | 0.52 | - | 0.26 | - | USD |
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| 790 | QX | 45C | multi kkulurita | 0.52 | - | 0.26 | - | USD |
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| 791 | QY | 55C | multi kkulurita | 0.52 | - | 0.26 | - | USD |
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| 786‑791 | 2.60 | - | 1.56 | - | USD |
4. November WM: Xejn Perforazzjoni: 12¾
![[Airmail - Costa Rican Paintings, Tip QZ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QZ-s.jpg)
![[Airmail - Costa Rican Paintings, Tip RA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RA-s.jpg)
![[Airmail - Costa Rican Paintings, Tip RB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RB-s.jpg)
![[Airmail - Costa Rican Paintings, Tip RC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RC-s.jpg)
![[Airmail - Costa Rican Paintings, Tip RD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RD-s.jpg)
| Le. | Tip | D | Kulur | Deskrizzjoni |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 792 | QZ | 25C | multi kkulurita | Irazu (R. A. Garcia) | 0.78 | - | 0.26 | - | USD |
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| 793 | RA | 45C | multi kkulurita | Escazu Valley (M. Bertheau) | 0.78 | - | 0.26 | - | USD |
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| 794 | RB | 80C | multi kkulurita | Estuary Landscape (T. Quiros) | 1.04 | - | 0.52 | - | USD |
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| 795 | RC | 1.00Col | multi kkulurita | The Other Face (C. Valverde) | 1.04 | - | 0.78 | - | USD |
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| 796 | RD | 2.50Col | multi kkulurita | Madonna (L. Daell) | 2.60 | - | 2.08 | - | USD |
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| 792‑796 | 6.24 | - | 3.90 | - | USD |
