Now showing: Colombia - Postage stamps (1950 - 1959) - 341 stamps.
1. December WM: None
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YF]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YF-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YG]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YG-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YI]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YI-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YJ]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YJ-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YK]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YK-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YL]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YL-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YM]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YM-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YN]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YN-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YO]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YO-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YP]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YP-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 844 | YF | 5C | brown | (483.850) | 0.26 | - | 0.26 | - | USD |
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| 845 | YG | 5C | yellowish orange | (327.220) | 0.26 | - | 0.26 | - | USD |
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| 846 | YH | 5C | brownish red | 0.52 | - | 0.79 | - | USD |
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| 847 | YI | 10C | red | (1.194.676) | 0.26 | - | 0.26 | - | USD |
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| 848 | YJ | 10C | black | (4.435.632) | 0.26 | - | 0.26 | - | USD |
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| 849 | YK | 15C | carmine pink | (738.998) | 0.26 | - | 0.26 | - | USD |
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| 850 | YL | 20C | brown | (3.531.676) | 0.26 | - | 0.26 | - | USD |
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| 851 | YM | 20C | brown | (515.894) | 0.26 | - | 0.26 | - | USD |
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| 852 | YN | 20C | reddish brown | (738.998) | 0.26 | - | 0.26 | - | USD |
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| 853 | YO | 25C | purple | (523.480) | 0.26 | - | 0.26 | - | USD |
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| 854 | YP | 25C | blue | (2.962.280) | 0.26 | - | 0.26 | - | USD |
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| 844‑854 | 3.12 | - | 3.39 | - | USD |
1. December WM: None
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YQ]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YQ-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YR]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YR-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YS]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YS-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YT]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YT-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YU]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YU-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YV]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YV-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YW]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YW-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YX]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YX-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YY]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YY-s.jpg)
![[Airmail - Unification of Airmail Rates - Overprinted "UNIFICADO", type YZ]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/YZ-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 855 | YQ | 25C | greyish black | (1.185.080) | 0.26 | - | 0.26 | - | USD |
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| 856 | YR | 25C | carmine pink | (663.700) | 0.26 | - | 0.26 | - | USD |
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| 857 | YS | 30C | blue | (4.743.644) | 0.26 | - | 0.26 | - | USD |
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| 858 | YT | 50C | dark brown | (1.566.800) | 0.26 | - | 0.26 | - | USD |
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| 859 | YU | 1P | greyish blue | (1.322.670) | 0.79 | - | 0.26 | - | USD |
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| 860 | YV | 1.20P | multicoloured | (422.700) | 1.05 | - | 0.79 | - | USD |
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| 861 | YW | 2P | dark green/black | (812.409) | 1.57 | - | 0.26 | - | USD |
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| 862 | YX | 3P | carmine pink/black | (481.268) | 5.24 | - | 0.79 | - | USD |
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| 863 | YY | 5P | blackish green/reddish brown | (356.645) | 6.28 | - | 1.05 | - | USD |
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| 864 | YZ | 10P | greyish green/reddish orange | (165.569) | 8.38 | - | 2.62 | - | USD |
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| 865 | ZA | 25P | blue/red | (2.505.190) | 0.26 | - | 0.26 | - | USD |
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| 855‑865 | 24.61 | - | 7.07 | - | USD |
1. December WM: None Design: Mosdóssy Engraving: Stadstdruckerei Wien Perforation: 12
![[The 100th Anniversary of Colombian Stamps - Inscribed "1859 1959", type ZB]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/ZB-s.jpg)
![[The 100th Anniversary of Colombian Stamps - Inscribed "1859 1959", type ZC]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/ZC-s.jpg)
![[The 100th Anniversary of Colombian Stamps - Inscribed "1859 1959", type ZB1]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/ZB1-s.jpg)
![[The 100th Anniversary of Colombian Stamps - Inscribed "1859 1959", type ZD]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/ZD-s.jpg)
1. December WM: None Design: Mosdóssy Engraving: Staadtsdruckerei Wien Perforation: 12
![[Airmail - The 100th Anniversary of Colombian Stamps - Inscribed "1859 1959", type ZE]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/ZE-s.jpg)
![[Airmail - The 100th Anniversary of Colombian Stamps - Inscribed "1859 1959", type ZF]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/ZF-s.jpg)
![[Airmail - The 100th Anniversary of Colombian Stamps - Inscribed "1859 1959", type ZG]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/ZG-s.jpg)
![[Airmail - The 100th Anniversary of Colombian Stamps - Inscribed "1859 1959", type ZH]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/ZH-s.jpg)
1. December WM: 5 Sheetsize: 1 Design: Mosdóssy Engraving: Staadstdruckerei Wien Perforation: Imperforated
![[Airmail - The 100th Anniversary of Colombian Stamps - Inscribed "1859 1959" - Domestic Airmail, type ]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/0874-b.jpg)
5. December WM: None Design: Mosdóssy Engraving: Staadtsdruckerei Wien Perforation: 12
![[The 40th Anniversary of Colombian "AVIANCA" Airmail Services, type ZJ]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/ZJ-s.jpg)
![[The 40th Anniversary of Colombian "AVIANCA" Airmail Services, type ZK]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/ZK-s.jpg)
5. December WM: None Sheetsize: 2 Design: Mosdóssy Engraving: Staadtsdruckerei Wien Perforation: 12
![[Airmail - The 40th Anniversary of Colombian "AVIANCA" Airmail Services, type ]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/0877-b.jpg)
5. December WM: None Design: Mosdóssy Engraving: Staadtsdruckerei Wien Perforation: 12
![[Airmail - The 40th Anniversary of Colombian "AVIANCA" Airmail Services, type ]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/0879-b.jpg)
