Dabar rodoma: Urugvajus - Pašto Ženklai (1930 - 1939) - 14 ženklai.
WM: Niekas Graviravimas: Imprenta Nacional, Montevideo. Perforacija: 12½
![[Rio Negro Dam, tipas IQ]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ-s.jpg)
![[Rio Negro Dam, tipas IQ1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ1-s.jpg)
![[Rio Negro Dam, tipas IQ2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ2-s.jpg)
![[Rio Negro Dam, tipas IQ3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ3-s.jpg)
WM: Niekas Graviravimas: Imprenta Nacional, Montevideo. Perforacija: 12½
![[Airmail - Rio Negro Dam, tipas IR]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR-s.jpg)
![[Airmail - Rio Negro Dam, tipas IR1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR1-s.jpg)
![[Airmail - Rio Negro Dam, tipas IR2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR2-s.jpg)
![[Airmail - Rio Negro Dam, tipas IR3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR3-s.jpg)
![[Airmail - Rio Negro Dam, tipas IR4]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR4-s.jpg)
![[Airmail - Rio Negro Dam, tipas IR5]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR5-s.jpg)
![[Airmail - Rio Negro Dam, tipas IR6]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR6-s.jpg)
![[Airmail - Rio Negro Dam, tipas IR7]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR7-s.jpg)
![[Airmail - Rio Negro Dam, tipas IR8]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR8-s.jpg)
![[Airmail - Rio Negro Dam, tipas IR9]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR9-s.jpg)
| Nr. | Tipas | D | Spalva | Apibūdinimas |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 573 | IR | 8C | šviesiai žalia | (200.600) | 0,52 | - | 0,52 | - | USD |
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| 574 | IR1 | 20C | žalia | (50.000) | 0,52 | 5,18 | 3,11 | - | USD |
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| 575 | IR2 | 20C | žalia | (10.000) | 1,55 | - | 1,04 | - | USD |
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| 576 | IR3 | 62C | žalsvai mėlyna | (300.000) | 8,28 | - | 6,21 | - | USD |
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| 577 | IR4 | 68C | geltona | (50.000) | 0,78 | - | 0,26 | - | USD |
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| 578 | IR5 | 68C | rudai violetinė | (50.000) | 1,55 | - | 1,04 | - | USD |
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| 579 | IR6 | 75C | violetinė | (5.000) | 6,21 | - | 6,21 | - | USD |
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| 580 | IR7 | 1P | karmino | (50.000) | 2,07 | - | 1,55 | - | USD |
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| 581 | IR8 | 1.38P | rožių | (20.000) | 20,71 | - | 15,53 | - | USD |
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| 582 | IR9 | 3P | tamsiai mėlyna | (20.000) | 15,53 | - | 10,35 | - | USD |
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| 573‑582 | 57,72 | 5,18 | 45,82 | - | USD |
