Ditunjukkan sekarang: Uruguay - Setem-setem bayaran pos (1930 - 1939) - 14 Setem-setem.
WM: Tiada Ukiran: Imprenta Nacional, Montevideo. Perforasi: 12½
![[Rio Negro Dam, jenis IQ]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ-s.jpg)
![[Rio Negro Dam, jenis IQ1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ1-s.jpg)
![[Rio Negro Dam, jenis IQ2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ2-s.jpg)
![[Rio Negro Dam, jenis IQ3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ3-s.jpg)
WM: Tiada Ukiran: Imprenta Nacional, Montevideo. Perforasi: 12½
![[Airmail - Rio Negro Dam, jenis IR]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR-s.jpg)
![[Airmail - Rio Negro Dam, jenis IR1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR1-s.jpg)
![[Airmail - Rio Negro Dam, jenis IR2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR2-s.jpg)
![[Airmail - Rio Negro Dam, jenis IR3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR3-s.jpg)
![[Airmail - Rio Negro Dam, jenis IR4]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR4-s.jpg)
![[Airmail - Rio Negro Dam, jenis IR5]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR5-s.jpg)
![[Airmail - Rio Negro Dam, jenis IR6]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR6-s.jpg)
![[Airmail - Rio Negro Dam, jenis IR7]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR7-s.jpg)
![[Airmail - Rio Negro Dam, jenis IR8]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR8-s.jpg)
![[Airmail - Rio Negro Dam, jenis IR9]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR9-s.jpg)
| No. | Jenis | D | Warna | Deskripsi |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 573 | IR | 8C | hijau muda | (200.600) | 0.58 | - | 0.58 | - | USD |
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| 574 | IR1 | 20C | hijau | (50.000) | 0.58 | 5.78 | 3.47 | - | USD |
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| 575 | IR2 | 20C | hijau | (10.000) | 1.73 | - | 1.16 | - | USD |
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| 576 | IR3 | 62C | biru kehijauan | (300.000) | 9.24 | - | 6.93 | - | USD |
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| 577 | IR4 | 68C | kuning | (50.000) | 0.87 | - | 0.29 | - | USD |
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| 578 | IR5 | 68C | coklat violet | (50.000) | 1.73 | - | 1.16 | - | USD |
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| 579 | IR6 | 75C | violet | (5.000) | 6.93 | - | 6.93 | - | USD |
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| 580 | IR7 | 1P | merah tua | (50.000) | 2.31 | - | 1.73 | - | USD |
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| 581 | IR8 | 1.38P | mawar | (20.000) | 23.11 | - | 17.33 | - | USD |
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| 582 | IR9 | 3P | biru gelap | (20.000) | 17.33 | - | 11.55 | - | USD |
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| 573‑582 | 64.41 | 5.78 | 51.13 | - | USD |
