Estás viendo: Checoslovaquia - Sellos de franqueo de correo (1920 - 1929) - 10 sellos.
10. Enero Marca de agua: Ninguna Perforación: 14
![[Postage Stamp Overprinted in Blue, tipo I]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/I-s.jpg)
17. Enero Marca de agua: Ninguna Perforación: 14
![[Postage Stamps of 1920 Overprinted & Surcharged, tipo J]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/J-s.jpg)
![[Postage Stamps of 1920 Overprinted & Surcharged, tipo J1]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/J1-s.jpg)
![[Postage Stamps of 1920 Overprinted & Surcharged, tipo J3]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/J3-s.jpg)
Número | Tipo | D | Color | Descripción |
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48 | J | 40/185(H) | naranja | (7,25 mill) | 0,28 | - | 0,28 | - | USD |
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49 | J1 | 50/150(H) | carmín | (3,93 mill) | 0,84 | - | 0,28 | - | USD |
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49A* | J2 | 50/150(H) | carmín | Perf: 13¾ | (3,93 mill) | 33,61 | - | 4,48 | - | USD |
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50 | J3 | 60/185(H) | naranja | (3,05 mill) | 0,84 | - | 0,28 | - | USD |
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48‑50 | Serie (* Sello no incluido en esta serie) | 1,96 | - | 0,84 | - | USD |
24. Septiembre Marca de agua: Ninguna Perforación: 14
![[Postage Stamps of 1970 Overprinted & Surcharged, tipo K]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/K-s.jpg)
![[Postage Stamps of 1970 Overprinted & Surcharged, tipo K1]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/K1-s.jpg)
![[Postage Stamps of 1970 Overprinted & Surcharged, tipo K2]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/K2-s.jpg)
26. Septiembre Marca de agua: Ninguna Perforación: Imperforated
![[No. 12 Surcharged, tipo L]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/L-s.jpg)