Visar nu: Uruguay - Postfrimärken (1930 - 1939) - 14 frimärken.
WM: Inga Gravyr: Imprenta Nacional, Montevideo. Perforering: 12½
![[Rio Negro Dam, Typ IQ]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ-s.jpg)
![[Rio Negro Dam, Typ IQ1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ1-s.jpg)
![[Rio Negro Dam, Typ IQ2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ2-s.jpg)
![[Rio Negro Dam, Typ IQ3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ3-s.jpg)
WM: Inga Gravyr: Imprenta Nacional, Montevideo. Perforering: 12½
![[Airmail - Rio Negro Dam, Typ IR]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR-s.jpg)
![[Airmail - Rio Negro Dam, Typ IR1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR1-s.jpg)
![[Airmail - Rio Negro Dam, Typ IR2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR2-s.jpg)
![[Airmail - Rio Negro Dam, Typ IR3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR3-s.jpg)
![[Airmail - Rio Negro Dam, Typ IR4]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR4-s.jpg)
![[Airmail - Rio Negro Dam, Typ IR5]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR5-s.jpg)
![[Airmail - Rio Negro Dam, Typ IR6]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR6-s.jpg)
![[Airmail - Rio Negro Dam, Typ IR7]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR7-s.jpg)
![[Airmail - Rio Negro Dam, Typ IR8]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR8-s.jpg)
![[Airmail - Rio Negro Dam, Typ IR9]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR9-s.jpg)
| Nummer | Typ | D | Färg | Beskrivning |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 573 | IR | 8C | ljusgrön | (200.600) | 0,52 | - | 0,52 | - | USD |
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| 574 | IR1 | 20C | grön | (50.000) | 0,52 | 5,21 | 3,13 | - | USD |
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| 575 | IR2 | 20C | grön | (10.000) | 1,56 | - | 1,04 | - | USD |
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| 576 | IR3 | 62C | grönblått | (300.000) | 8,33 | - | 6,25 | - | USD |
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| 577 | IR4 | 68C | gul | (50.000) | 0,78 | - | 0,26 | - | USD |
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| 578 | IR5 | 68C | violett brun | (50.000) | 1,56 | - | 1,04 | - | USD |
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| 579 | IR6 | 75C | violett | (5.000) | 6,25 | - | 6,25 | - | USD |
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| 580 | IR7 | 1P | karmin | (50.000) | 2,08 | - | 1,56 | - | USD |
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| 581 | IR8 | 1.38P | ros | (20.000) | 20,84 | - | 15,63 | - | USD |
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| 582 | IR9 | 3P | mörkblå | (20.000) | 15,63 | - | 10,42 | - | USD |
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| 573‑582 | 58,07 | 5,21 | 46,10 | - | USD |
