Now showing: Costa Rica - Postage stamps (1970 - 1979) - 19 stamps.
14. May WM: None Perforation: 12½
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, type QO]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO-s.jpg)
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, type QO1]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO1-s.jpg)
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, type QO2]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO2-s.jpg)
![[Airmail - The 10th Inter-American Cancer Congress, San Jose, type QO3]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QO3-s.jpg)
20. May WM: None Perforation: 10
![[Inauguration of the New Administration Building of the Universal Postal Union, type 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, type QQ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QQ-s.jpg)
14. September WM: None Perforation: 11
![[Airmail - "Costa Rica 70" Philatelic Exhibition, type QR]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QR-s.jpg)
![[Airmail - "Costa Rica 70" Philatelic Exhibition, type QS]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QS-s.jpg)
22. October WM: None Perforation: 13¼
![[Airmail - Expo 70, type QT]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QT-s.jpg)
![[Airmail - Expo 70, type QU]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QU-s.jpg)
![[Airmail - Expo 70, type QV]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QV-s.jpg)
![[Airmail - Expo 70, type QW]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QW-s.jpg)
![[Airmail - Expo 70, type QX]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QX-s.jpg)
![[Airmail - Expo 70, type QY]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QY-s.jpg)
| No. | Type | D | Color | Description |
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| 786 | QT | 10C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 787 | QU | 15C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 788 | QV | 35C | multicoloured | 0.52 | - | 0.26 | - | USD |
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| 789 | QW | 40C | multicoloured | 0.52 | - | 0.26 | - | USD |
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| 790 | QX | 45C | multicoloured | 0.52 | - | 0.26 | - | USD |
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| 791 | QY | 55C | multicoloured | 0.52 | - | 0.26 | - | USD |
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| 786‑791 | 2.60 | - | 1.56 | - | USD |
4. November WM: None Perforation: 12¾
![[Airmail - Costa Rican Paintings, type QZ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/QZ-s.jpg)
![[Airmail - Costa Rican Paintings, type RA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RA-s.jpg)
![[Airmail - Costa Rican Paintings, type RB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RB-s.jpg)
![[Airmail - Costa Rican Paintings, type RC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RC-s.jpg)
![[Airmail - Costa Rican Paintings, type RD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/RD-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 792 | QZ | 25C | multicoloured | Irazu (R. A. Garcia) | 0.78 | - | 0.26 | - | USD |
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| 793 | RA | 45C | multicoloured | Escazu Valley (M. Bertheau) | 0.78 | - | 0.26 | - | USD |
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| 794 | RB | 80C | multicoloured | Estuary Landscape (T. Quiros) | 1.04 | - | 0.52 | - | USD |
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| 795 | RC | 1.00Col | multicoloured | The Other Face (C. Valverde) | 1.04 | - | 0.78 | - | USD |
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| 796 | RD | 2.50Col | multicoloured | Madonna (L. Daell) | 2.60 | - | 2.08 | - | USD |
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| 792‑796 | 6.24 | - | 3.90 | - | USD |
