Now showing: Costa Rica - Postage stamps (1970 - 1979) - 285 stamps.
14. May WM: None Perforation: 13½
![[Airmail - Conservation of Marine Fauna, type YI]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YI-s.jpg)
![[Airmail - Conservation of Marine Fauna, type YJ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YJ-s.jpg)
![[Airmail - Conservation of Marine Fauna, type YK]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YK-s.jpg)
![[Airmail - Conservation of Marine Fauna, type YL]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YL-s.jpg)
![[Airmail - Conservation of Marine Fauna, type YM]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YM-s.jpg)
| No. | Type | D | Color | Description |
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| 1029 | YI | 0.60Col | multicoloured | Penasus vannamei | 0.26 | - | 0.26 | - | USD |
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| 1030 | YJ | 0.85Col | multicoloured | Lutjanus mahogoni | 0.26 | - | 0.26 | - | USD |
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| 1031 | YK | 1.80Col | multicoloured | Cynoscion phoxocephalus | 0.53 | - | 0.26 | - | USD |
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| 1032 | YL | 3.00Col | multicoloured | Palinurus guttatus | 0.79 | - | 0.53 | - | USD |
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| 1033 | YM | 10.00Col | multicoloured | Auxis thazard | 2.64 | - | 2.12 | - | USD |
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| 1029‑1033 | 4.48 | - | 3.43 | - | USD |
24. May WM: None Perforation: 11
![[Airmail - International Year of the Child, type YN]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YN-s.jpg)
![[Airmail - International Year of the Child, type YN1]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YN1-s.jpg)
![[Airmail - International Year of the Child, type YN2]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YN2-s.jpg)
15. June WM: None Perforation: 12½
![[Special Delivery Stamp, type YO]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YO-s.jpg)
28. June WM: None Perforation: 14
![[Airmail - The 30th Anniversary of Costa Rican Electricity Institute, type YP]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YP-s.jpg)
![[Airmail - The 30th Anniversary of Costa Rican Electricity Institute, type YQ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YQ-s.jpg)
16. July WM: None Perforation: 12
![[Airmail - National Sculpture Competition, type YR]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YR-s.jpg)
![[Airmail - National Sculpture Competition, type YS]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YS-s.jpg)
![[Airmail - National Sculpture Competition, type YT]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YT-s.jpg)
![[Airmail - National Sculpture Competition, type YU]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YU-s.jpg)
![[Airmail - National Sculpture Competition, type YV]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YV-s.jpg)
16. July WM: None Perforation: 13¼
![[Airmail - The 100th Anniversary of Sir Rowland Hill, 1795-1879, type YW]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YW-s.jpg)
![[Airmail - The 100th Anniversary of Sir Rowland Hill, 1795-1879, type YX]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YX-s.jpg)
31. August WM: None Perforation: 13½
![[Airmail - Butterflies, type YY]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YY-s.jpg)
![[Airmail - Butterflies, type YZ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/YZ-s.jpg)
![[Airmail - Butterflies, type ZA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZA-s.jpg)
![[Airmail - Butterflies, type ZB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZB-s.jpg)
![[Airmail - Butterflies, type ZC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZC-s.jpg)
![[Airmail - Butterflies, type ZD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZD-s.jpg)
| No. | Type | D | Color | Description |
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| 1047 | YY | 0.60(Col) | multicoloured | Danaus plexippus | 2.12 | - | 0.26 | - | USD |
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| 1048 | YZ | 1.00(Col) | multicoloured | Phoebis philea | 4.23 | - | 0.26 | - | USD |
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| 1049 | ZA | 1.80(Col) | multicoloured | Rothschildia sp. | 8.46 | - | 0.53 | - | USD |
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| 1050 | ZB | 2.10(Col) | multicoloured | Prepona omphale | 10.58 | - | 0.53 | - | USD |
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| 1051 | ZC | 2.60(Col) | multicoloured | Marpesia marcella | 10.58 | - | 1.06 | - | USD |
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| 1052 | ZD | 4.05(Col) | multicoloured | Morpho cypris | 15.87 | - | 2.12 | - | USD |
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| 1047‑1052 | 51.84 | - | 4.76 | - | USD |
18. September WM: None Perforation: 13¼
![[Airmail - The 30th Anniversary of SOS Children's Villages - Children's Paintings, type 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, type 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, type ZG]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZG-s.jpg)
8. October WM: None Perforation: 13¼
![[Airmail - Costa Rican Presidents, type ZH]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZH-s.jpg)
![[Airmail - Costa Rican Presidents, type ZI]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZI-s.jpg)
![[Airmail - Costa Rican Presidents, type ZJ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZJ-s.jpg)
![[Airmail - Costa Rican Presidents, type ZK]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZK-s.jpg)
![[Airmail - Costa Rican Presidents, type ZL]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZL-s.jpg)
| No. | Type | D | Color | Description |
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| 1056 | ZH | 10C | violet ultramarine | Jose Joaquin Rodriguez Zeledon | 0.26 | - | 0.26 | - | USD |
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| 1057 | ZI | 60C | purple | Rafael Iglesias Castro | 0.26 | - | 0.26 | - | USD |
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| 1058 | ZJ | 85C | cinnabar | Ascension Esquivel Ibarra | 0.26 | - | 0.26 | - | USD |
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| 1059 | ZK | 1Col | brownish red | Cleto Gonzalez Viquez | 0.26 | - | 0.26 | - | USD |
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| 1060 | ZL | 2Col | olive brown | Ricardo Jimenez Oreamuno | 0.79 | - | 0.53 | - | USD |
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| 1056‑1060 | 1.83 | - | 1.57 | - | USD |
16. November WM: None Perforation: 12½
![[Airmail - Christmas, type ZM]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZM-s.jpg)
![[Airmail - Christmas, type ZM1]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZM1-s.jpg)
