Praegu kuvatakse: Uruguay - postmargid (1930 - 1939) - 14 margid.
WM: mitte ükski Gravüür: Imprenta Nacional, Montevideo. perforatsioon: 12½
![[Rio Negro Dam, Tüüp IQ]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ-s.jpg)
![[Rio Negro Dam, Tüüp IQ1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ1-s.jpg)
![[Rio Negro Dam, Tüüp IQ2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ2-s.jpg)
![[Rio Negro Dam, Tüüp IQ3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ3-s.jpg)
WM: mitte ükski Gravüür: Imprenta Nacional, Montevideo. perforatsioon: 12½
![[Airmail - Rio Negro Dam, Tüüp IR]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR-s.jpg)
![[Airmail - Rio Negro Dam, Tüüp IR1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR1-s.jpg)
![[Airmail - Rio Negro Dam, Tüüp IR2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR2-s.jpg)
![[Airmail - Rio Negro Dam, Tüüp IR3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR3-s.jpg)
![[Airmail - Rio Negro Dam, Tüüp IR4]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR4-s.jpg)
![[Airmail - Rio Negro Dam, Tüüp IR5]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR5-s.jpg)
![[Airmail - Rio Negro Dam, Tüüp IR6]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR6-s.jpg)
![[Airmail - Rio Negro Dam, Tüüp IR7]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR7-s.jpg)
![[Airmail - Rio Negro Dam, Tüüp IR8]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR8-s.jpg)
![[Airmail - Rio Negro Dam, Tüüp IR9]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR9-s.jpg)
| Nr | Tüüp | D | Värv | Kirjeldus |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 573 | IR | 8C | heleroheline | (200.600) | 0,59 | - | 0,59 | - | USD |
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| 574 | IR1 | 20C | roheline | (50.000) | 0,59 | 5,86 | 3,52 | - | USD |
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| 575 | IR2 | 20C | roheline | (10.000) | 1,76 | - | 1,17 | - | USD |
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| 576 | IR3 | 62C | rohekas-sinine | (300.000) | 9,37 | - | 7,03 | - | USD |
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| 577 | IR4 | 68C | kollane | (50.000) | 0,88 | - | 0,29 | - | USD |
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| 578 | IR5 | 68C | violettpruun | (50.000) | 1,76 | - | 1,17 | - | USD |
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| 579 | IR6 | 75C | violett | (5.000) | 7,03 | - | 7,03 | - | USD |
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| 580 | IR7 | 1P | karmiin | (50.000) | 2,34 | - | 1,76 | - | USD |
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| 581 | IR8 | 1.38P | roosa | (20.000) | 23,43 | - | 17,58 | - | USD |
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| 582 | IR9 | 3P | tumesinine | (20.000) | 17,58 | - | 11,72 | - | USD |
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| 573‑582 | 65,33 | 5,86 | 51,86 | - | USD |
