Muri Bhalissa: Kosta Rica - Bolol tal-posta (1970 - 1979) - 39 bolol.
30. April WM: Xejn Perforazzjoni: 10½
![[Airmail - Presidential Visit to Cocos Island, Tip ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1024-b.jpg)
| Le. | Tip | D | Kulur | Deskrizzjoni |
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| 1024 | YD | 90C | multi kkulurita | 0.29 | - | 0.29 | - | USD |
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| 1025 | YE | 2.10Col | multi kkulurita | 0.58 | - | 0.29 | - | USD |
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| 1026 | YF | 3Col | multi kkulurita | 0.87 | - | 0.58 | - | USD |
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| 1027 | YG | 5Col | multi kkulurita | 1.74 | - | 0.58 | - | USD |
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| 1028 | YH | 10Col | multi kkulurita | 2.91 | - | 2.32 | - | USD |
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| 1024‑1028 | Minisheet (138 x 102mm) | 9.30 | - | 9.30 | - | USD | |||||||||||
| 1024‑1028 | 6.39 | - | 4.06 | - | USD |
14. May WM: Xejn Perforazzjoni: 13½
![[Airmail - Conservation of Marine Fauna, Tip YI]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YI-s.jpg)
![[Airmail - Conservation of Marine Fauna, Tip YJ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YJ-s.jpg)
![[Airmail - Conservation of Marine Fauna, Tip YK]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YK-s.jpg)
![[Airmail - Conservation of Marine Fauna, Tip YL]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YL-s.jpg)
![[Airmail - Conservation of Marine Fauna, Tip YM]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YM-s.jpg)
| Le. | Tip | D | Kulur | Deskrizzjoni |
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| 1029 | YI | 0.60Col | multi kkulurita | Penasus vannamei | 0.29 | - | 0.29 | - | USD |
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| 1030 | YJ | 0.85Col | multi kkulurita | Lutjanus mahogoni | 0.29 | - | 0.29 | - | USD |
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| 1031 | YK | 1.80Col | multi kkulurita | Cynoscion phoxocephalus | 0.58 | - | 0.29 | - | USD |
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| 1032 | YL | 3.00Col | multi kkulurita | Palinurus guttatus | 0.87 | - | 0.58 | - | USD |
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| 1033 | YM | 10.00Col | multi kkulurita | Auxis thazard | 2.91 | - | 2.32 | - | USD |
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| 1029‑1033 | 4.94 | - | 3.77 | - | USD |
24. May WM: Xejn Perforazzjoni: 11
![[Airmail - International Year of the Child, Tip YN]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YN-s.jpg)
![[Airmail - International Year of the Child, Tip YN1]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YN1-s.jpg)
![[Airmail - International Year of the Child, Tip YN2]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YN2-s.jpg)
15. June WM: Xejn Perforazzjoni: 12½
![[Special Delivery Stamp, Tip YO]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YO-s.jpg)
28. June WM: Xejn Perforazzjoni: 14
![[Airmail - The 30th Anniversary of Costa Rican Electricity Institute, Tip YP]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YP-s.jpg)
![[Airmail - The 30th Anniversary of Costa Rican Electricity Institute, Tip YQ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YQ-s.jpg)
16. July WM: Xejn Perforazzjoni: 12
![[Airmail - National Sculpture Competition, Tip YR]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YR-s.jpg)
![[Airmail - National Sculpture Competition, Tip YS]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YS-s.jpg)
![[Airmail - National Sculpture Competition, Tip YT]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YT-s.jpg)
![[Airmail - National Sculpture Competition, Tip YU]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YU-s.jpg)
![[Airmail - National Sculpture Competition, Tip YV]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YV-s.jpg)
| Le. | Tip | D | Kulur | Deskrizzjoni |
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| 1040 | YR | 60C | multi kkulurita | 0.29 | - | 0.29 | - | USD |
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| 1041 | YS | 1.00Col | multi kkulurita | 0.29 | - | 0.29 | - | USD |
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| 1042 | YT | 2.10Col | multi kkulurita | 0.58 | - | 0.29 | - | USD |
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| 1043 | YU | 5.00Col | multi kkulurita | 1.74 | - | 1.16 | - | USD |
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| 1044 | YV | 20.00Col | multi kkulurita | 5.81 | - | 2.91 | - | USD |
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| 1040‑1044 | 8.71 | - | 4.94 | - | USD |
16. July WM: Xejn Perforazzjoni: 13¼
![[Airmail - The 100th Anniversary of Sir Rowland Hill, 1795-1879, Tip YW]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YW-s.jpg)
![[Airmail - The 100th Anniversary of Sir Rowland Hill, 1795-1879, Tip YX]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YX-s.jpg)
31. August WM: Xejn Perforazzjoni: 13½
![[Airmail - Butterflies, Tip YY]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YY-s.jpg)
![[Airmail - Butterflies, Tip YZ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YZ-s.jpg)
![[Airmail - Butterflies, Tip ZA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZA-s.jpg)
![[Airmail - Butterflies, Tip ZB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZB-s.jpg)
![[Airmail - Butterflies, Tip ZC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZC-s.jpg)
![[Airmail - Butterflies, Tip ZD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZD-s.jpg)
| Le. | Tip | D | Kulur | Deskrizzjoni |
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| 1047 | YY | 0.60(Col) | multi kkulurita | Danaus plexippus | 2.32 | - | 0.29 | - | USD |
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| 1048 | YZ | 1.00(Col) | multi kkulurita | Phoebis philea | 4.65 | - | 0.29 | - | USD |
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| 1049 | ZA | 1.80(Col) | multi kkulurita | Rothschildia sp. | 9.30 | - | 0.58 | - | USD |
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| 1050 | ZB | 2.10(Col) | multi kkulurita | Prepona omphale | 11.62 | - | 0.58 | - | USD |
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| 1051 | ZC | 2.60(Col) | multi kkulurita | Marpesia marcella | 11.62 | - | 1.16 | - | USD |
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| 1052 | ZD | 4.05(Col) | multi kkulurita | Morpho cypris | 17.43 | - | 2.32 | - | USD |
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| 1047‑1052 | 56.94 | - | 5.22 | - | USD |
18. September WM: Xejn Perforazzjoni: 13¼
![[Airmail - The 30th Anniversary of SOS Children's Villages - Children's Paintings, Tip ZE]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZE-s.jpg)
![[Airmail - The 30th Anniversary of SOS Children's Villages - Children's Paintings, Tip ZF]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZF-s.jpg)
![[Airmail - The 30th Anniversary of SOS Children's Villages - Children's Paintings, Tip ZG]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZG-s.jpg)
8. October WM: Xejn Perforazzjoni: 13¼
![[Airmail - Costa Rican Presidents, Tip ZH]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZH-s.jpg)
![[Airmail - Costa Rican Presidents, Tip ZI]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZI-s.jpg)
![[Airmail - Costa Rican Presidents, Tip ZJ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZJ-s.jpg)
![[Airmail - Costa Rican Presidents, Tip ZK]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZK-s.jpg)
![[Airmail - Costa Rican Presidents, Tip ZL]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZL-s.jpg)
| Le. | Tip | D | Kulur | Deskrizzjoni |
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| 1056 | ZH | 10C | vjola ultramarine | Jose Joaquin Rodriguez Zeledon | 0.29 | - | 0.29 | - | USD |
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| 1057 | ZI | 60C | vjola | Rafael Iglesias Castro | 0.29 | - | 0.29 | - | USD |
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| 1058 | ZJ | 85C | ċinabru | Ascension Esquivel Ibarra | 0.29 | - | 0.29 | - | USD |
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| 1059 | ZK | 1Col | kannella aħmar | Cleto Gonzalez Viquez | 0.29 | - | 0.29 | - | USD |
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| 1060 | ZL | 2Col | kannella żebbuġa | Ricardo Jimenez Oreamuno | 0.87 | - | 0.58 | - | USD |
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| 1056‑1060 | 2.03 | - | 1.74 | - | USD |
16. November WM: Xejn Perforazzjoni: 12½
![[Airmail - Christmas, Tip ZM]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZM-s.jpg)
![[Airmail - Christmas, Tip ZM1]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZM1-s.jpg)
