Most látható: Uruguay - Postaköltség bélyegek (1930 - 1939) - 14 bélyegek.
Vj: Senki Metszet: Imprenta Nacional, Montevideo. Fogazat: 12½
![[Rio Negro Dam, típus IQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IQ-s.jpg)
![[Rio Negro Dam, típus IQ1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IQ1-s.jpg)
![[Rio Negro Dam, típus IQ2]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IQ2-s.jpg)
![[Rio Negro Dam, típus IQ3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IQ3-s.jpg)
Vj: Senki Metszet: Imprenta Nacional, Montevideo. Fogazat: 12½
![[Airmail - Rio Negro Dam, típus IR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IR-s.jpg)
![[Airmail - Rio Negro Dam, típus IR1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IR1-s.jpg)
![[Airmail - Rio Negro Dam, típus IR2]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IR2-s.jpg)
![[Airmail - Rio Negro Dam, típus IR3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IR3-s.jpg)
![[Airmail - Rio Negro Dam, típus IR4]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IR4-s.jpg)
![[Airmail - Rio Negro Dam, típus IR5]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IR5-s.jpg)
![[Airmail - Rio Negro Dam, típus IR6]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IR6-s.jpg)
![[Airmail - Rio Negro Dam, típus IR7]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IR7-s.jpg)
![[Airmail - Rio Negro Dam, típus IR8]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IR8-s.jpg)
![[Airmail - Rio Negro Dam, típus IR9]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Uruguay/Postage-stamps/IR9-s.jpg)
| No. | Típus | D | Szín | Leírás |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 573 | IR | 8C | világoszöld | (200.600) | 0,54 | - | 0,54 | - | USD |
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| 574 | IR1 | 20C | zöld | (50.000) | 0,54 | 5,43 | 3,26 | - | USD |
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| 575 | IR2 | 20C | zöld | (10.000) | 1,63 | - | 1,09 | - | USD |
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| 576 | IR3 | 62C | zöldeskék | (300.000) | 8,69 | - | 6,51 | - | USD |
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| 577 | IR4 | 68C | sárga | (50.000) | 0,81 | - | 0,27 | - | USD |
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| 578 | IR5 | 68C | lila barna | (50.000) | 1,63 | - | 1,09 | - | USD |
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| 579 | IR6 | 75C | ibolya | (5.000) | 6,51 | - | 6,51 | - | USD |
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| 580 | IR7 | 1P | kármin | (50.000) | 2,17 | - | 1,63 | - | USD |
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| 581 | IR8 | 1.38P | rozé | (20.000) | 21,72 | - | 16,29 | - | USD |
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| 582 | IR9 | 3P | sötétkék | (20.000) | 16,29 | - | 10,86 | - | USD |
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| 573‑582 | 60,53 | 5,43 | 48,05 | - | USD |
