Rāda: Urugvaja - Pastmarkas (1930 - 1939) - 14 marka.
SV: Neviens iegravēt: Imprenta Nacional, Montevideo. Perforēšana: 12½
![[Rio Negro Dam, veids IQ]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ-s.jpg)
![[Rio Negro Dam, veids IQ1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ1-s.jpg)
![[Rio Negro Dam, veids IQ2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ2-s.jpg)
![[Rio Negro Dam, veids IQ3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ3-s.jpg)
SV: Neviens iegravēt: Imprenta Nacional, Montevideo. Perforēšana: 12½
![[Airmail - Rio Negro Dam, veids IR]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR-s.jpg)
![[Airmail - Rio Negro Dam, veids IR1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR1-s.jpg)
![[Airmail - Rio Negro Dam, veids IR2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR2-s.jpg)
![[Airmail - Rio Negro Dam, veids IR3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR3-s.jpg)
![[Airmail - Rio Negro Dam, veids IR4]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR4-s.jpg)
![[Airmail - Rio Negro Dam, veids IR5]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR5-s.jpg)
![[Airmail - Rio Negro Dam, veids IR6]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR6-s.jpg)
![[Airmail - Rio Negro Dam, veids IR7]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR7-s.jpg)
![[Airmail - Rio Negro Dam, veids IR8]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR8-s.jpg)
![[Airmail - Rio Negro Dam, veids IR9]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR9-s.jpg)
| Nr. | Veids | D | Krāsa | aprakstīšana, apraksts |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 573 | IR | 8C | gaiši zaļš | (200.600) | 0,52 | - | 0,52 | - | USD |
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| 574 | IR1 | 20C | zaļš | (50.000) | 0,52 | 5,20 | 3,12 | - | USD |
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| 575 | IR2 | 20C | zaļš | (10.000) | 1,56 | - | 1,04 | - | USD |
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| 576 | IR3 | 62C | zaļgani zils | (300.000) | 8,32 | - | 6,24 | - | USD |
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| 577 | IR4 | 68C | dzeltens | (50.000) | 0,78 | - | 0,26 | - | USD |
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| 578 | IR5 | 68C | violeta brūns | (50.000) | 1,56 | - | 1,04 | - | USD |
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| 579 | IR6 | 75C | violets | (5.000) | 6,24 | - | 6,24 | - | USD |
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| 580 | IR7 | 1P | karmīnsarkans | (50.000) | 2,08 | - | 1,56 | - | USD |
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| 581 | IR8 | 1.38P | roze | (20.000) | 20,80 | - | 15,60 | - | USD |
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| 582 | IR9 | 3P | tumši zils | (20.000) | 15,60 | - | 10,40 | - | USD |
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| 573‑582 | 57,98 | 5,20 | 46,02 | - | USD |
