Now showing: Colombia - Postage stamps (1950 - 1959) - 24 stamps.
10. May WM: None Engraving: American Bank Note Co. Perforation: 12
![[Airmail - Local Motives, type SK]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SK-s.jpg)
![[Airmail - Local Motives, type SL]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SL-s.jpg)
![[Airmail - Local Motives, type SM]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SM-s.jpg)
![[Airmail - Local Motives, type SN]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SN-s.jpg)
![[Airmail - Local Motives, type SO]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SO-s.jpg)
| No. | Type | D | Color | Description |
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| 607 | SK | 5C | ultramarine | (960.000) | 0.57 | - | 0.29 | - | USD |
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| 608 | SL | 10C | ultramarine | (980.000) | 0.57 | - | 0.29 | - | USD |
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| 609 | SM | 15C | ultramarine | (1.750.000) | 0.57 | - | 0.29 | - | USD |
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| 610 | SN | 20C | ultramarine | (600.000) | 0.86 | - | 0.29 | - | USD |
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| 611 | SO | 30C | ultramarine | (450.000) | 2.85 | - | 0.86 | - | USD |
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| 607‑611 | 5.42 | - | 2.02 | - | USD |
10. May WM: None Engraving: American Bank Note Co. Perforation: 12
![[International Airmail - Local Motives, type SK1]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SK1-s.jpg)
![[International Airmail - Local Motives, type SL1]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SL1-s.jpg)
![[International Airmail - Local Motives, type SN1]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SN1-s.jpg)
![[International Airmail - Local Motives, type SO1]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SO1-s.jpg)
6. August WM: None Engraving: Waterlow & Sons Ltd. Perforation: 11½
![[Colombian Doctors, type SP]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SP-s.jpg)
![[Colombian Doctors, type SQ]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SQ-s.jpg)
![[Colombian Doctors, type SR]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SR-s.jpg)
![[Colombian Doctors, type SS]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SS-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 616 | SP | 1C | blue | Pompillio Martinez | (5.000.000) | 0.29 | - | 0.86 | - | USD |
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| 617 | SQ | 1C | blue | Jose Ma Lombana | (5.000.000) | 0.29 | - | 0.86 | - | USD |
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| 618 | SR | 1C | blue | Nicolas Osorio | (5.000.000) | 0.29 | - | 0.86 | - | USD |
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| 619 | SS | 1C | blue | Ezequiel Uriocoechea | (5.000.000) | 0.29 | - | 0.86 | - | USD |
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| 616‑619 | 1.16 | - | 3.44 | - | USD |
WM: 4 Engraving: Waterlow & Sons Ltd. Perforation: 12
![[Building of Post Offices, type ST]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/ST-s.jpg)
![[Building of Post Offices, type SU]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SU-s.jpg)
![[Building of Post Offices, type SU1]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SU1-s.jpg)
![[Building of Post Offices, type SV]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SV-s.jpg)
![[Building of Post Offices, type SW]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SW-s.jpg)
![[Building of Post Offices, type SW1]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SW1-s.jpg)
![[Building of Post Offices, type SW2]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SW2-s.jpg)
![[Building of Post Offices, type SW3]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SW3-s.jpg)
| No. | Type | D | Color | Description |
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| 620 | ST | 5C | violet ultramarine | (35.000.000) | 0.29 | - | 0.29 | - | USD |
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| 621 | SU | 20C | reddish brown | (4.000.000) | 11.41 | - | 5.70 | - | USD |
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| 622 | SU1 | 25C | bluish green | (2.000.000) | 1.14 | - | 0.29 | - | USD |
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| 623 | SV | 25C | grey | 45.62 | - | 45.62 | - | USD |
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| 624 | SW | 50C | yellowish orange | (25.000) | 28.52 | - | 17.11 | - | USD |
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| 625 | SW1 | 1P | pink | (300.000) | 2.85 | - | 0.29 | - | USD |
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| 626 | SW2 | 2P | carmine pink | (50.000) | 28.52 | - | 11.41 | - | USD |
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| 627 | SW3 | 2P | violet | (150.000) | 3.42 | - | 0.86 | - | USD |
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| 620‑627 | 121 | - | 81.57 | - | USD |
10. October WM: None Engraving: Courvoisier. S.A. Perforation: 11¾
![[The 100th Anniversary of Manizales, type SX]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SX-s.jpg)
30. October WM: None Engraving: Waterlow & Sons Ltd. Perforation: 12½
![[The 1st Latin-American Congress of Iron Specialists - Previous Issue Surcharged, type SY]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SY-s.jpg)
30. October WM: None Engraving: American Bank Note Co. Perforation: 12
![[Airmail - The 1st Latin-American Congress of Iron Specialists - Previous Issue Surcharged, type SZ]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/SZ-s.jpg)
