Now showing: Czechoslovakia - Postage-due stamps (1919 - 1971) - 116 stamps.
10. January WM: None Perforation: 14
![[Postage Stamp Overprinted in Blue, type I]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/I-s.jpg)
17. January WM: None Perforation: 14
![[Postage Stamps of 1920 Overprinted & Surcharged, type J]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/J-s.jpg)
![[Postage Stamps of 1920 Overprinted & Surcharged, type J1]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/J1-s.jpg)
![[Postage Stamps of 1920 Overprinted & Surcharged, type J3]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/J3-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 48 | J | 40/185(H) | orange | (7,25 mill) | 0.26 | - | 0.26 | - | USD |
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| 49 | J1 | 50/150(H) | carmine | (3,93 mill) | 0.79 | - | 0.26 | - | USD |
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| 49A* | J2 | 50/150(H) | carmine | Perf: 13¾ | (3,93 mill) | 31.63 | - | 4.22 | - | USD |
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| 50 | J3 | 60/185(H) | orange | (3,05 mill) | 0.79 | - | 0.26 | - | USD |
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| 48‑50 | Set (* Stamp not included in this set) | 1.84 | - | 0.78 | - | USD |
24. September WM: None Perforation: 14
![[Postage Stamps of 1970 Overprinted & Surcharged, type K]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/K-s.jpg)
![[Postage Stamps of 1970 Overprinted & Surcharged, type K1]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/K1-s.jpg)
![[Postage Stamps of 1970 Overprinted & Surcharged, type K2]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/K2-s.jpg)
26. September WM: None Perforation: Imperforated
![[No. 12 Surcharged, type L]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/L-s.jpg)
1. February WM: None Perforation: 13¾ x 13½
![[Figure of Value, type M]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M-s.jpg)
![[Figure of Value, type M1]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M1-s.jpg)
![[Figure of Value, type M2]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M2-s.jpg)
![[Figure of Value, type M3]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M3-s.jpg)
![[Figure of Value, type M4]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M4-s.jpg)
![[Figure of Value, type M5]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M5-s.jpg)
![[Figure of Value, type M6]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M6-s.jpg)
![[Figure of Value, type M7]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M7-s.jpg)
![[Figure of Value, type M8]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M8-s.jpg)
![[Figure of Value, type M9]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M9-s.jpg)
![[Figure of Value, type M10]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M10-s.jpg)
![[Figure of Value, type M11]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/M11-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 55 | M | 5H | red | 0.26 | - | 0.26 | - | USD |
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| 56 | M1 | 10H | red | 0.26 | - | 0.26 | - | USD |
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| 57 | M2 | 20H | red | 0.26 | - | 0.26 | - | USD |
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| 58 | M3 | 30H | red | 0.26 | - | 0.26 | - | USD |
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| 59 | M4 | 40H | red | 0.26 | - | 0.26 | - | USD |
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| 60 | M5 | 50H | red | 0.26 | - | 0.26 | - | USD |
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| 61 | M6 | 60H | red | 0.26 | - | 0.26 | - | USD |
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| 62 | M7 | 1Kc | cobalt blue | 0.26 | - | 0.26 | - | USD |
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| 63 | M8 | 2Kc | cobalt blue | 0.79 | - | 0.26 | - | USD |
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| 64 | M9 | 5Kc | cobalt blue | 1.05 | - | 0.26 | - | USD |
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| 65 | M10 | 10Kc | cobalt blue | 2.64 | - | 0.26 | - | USD |
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| 66 | M11 | 20Kc | cobalt blue | 5.27 | - | 0.26 | - | USD |
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| 55‑66 | 11.83 | - | 3.12 | - | USD |
1. May WM: None Perforation: 14
![[Figure of Value - New Design, type N]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N-s.jpg)
![[Figure of Value - New Design, type N1]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N1-s.jpg)
![[Figure of Value - New Design, type N2]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N2-s.jpg)
![[Figure of Value - New Design, type N3]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N3-s.jpg)
![[Figure of Value - New Design, type N4]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N4-s.jpg)
![[Figure of Value - New Design, type N5]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N5-s.jpg)
![[Figure of Value - New Design, type N6]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N6-s.jpg)
![[Figure of Value - New Design, type N7]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N7-s.jpg)
![[Figure of Value - New Design, type N8]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N8-s.jpg)
![[Figure of Value - New Design, type N9]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N9-s.jpg)
![[Figure of Value - New Design, type N10]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N10-s.jpg)
![[Figure of Value - New Design, type N11]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/N11-s.jpg)
| No. | Type | D | Color | Description |
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| 67 | N | 10H | blue | 0.26 | - | 0.26 | - | USD |
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| 68 | N1 | 20H | blue | 0.26 | - | 0.26 | - | USD |
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| 69 | N2 | 50H | blue | 0.26 | - | 0.26 | - | USD |
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| 70 | N3 | 1(Kc) | carmine red | 0.26 | - | 0.26 | - | USD |
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| 71 | N4 | 1.20(Kc) | carmine red | 0.26 | - | 0.26 | - | USD |
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| 72 | N5 | 1.50(Kc) | carmine red | 0.26 | - | 0.26 | - | USD |
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| 73 | N6 | 1.60(Kc) | carmine red | 0.26 | - | 0.26 | - | USD |
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| 74 | N7 | 2(Kc) | carmine red | 0.26 | - | 0.26 | - | USD |
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| 75 | N8 | 2.40(Kc) | carmine red | 0.26 | - | 0.26 | - | USD |
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| 76 | N9 | 3(Kc) | carmine red | 0.26 | - | 0.26 | - | USD |
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| 77 | N10 | 5(Kc) | carmine red | 0.26 | - | 0.26 | - | USD |
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| 78 | N11 | 6(Kc) | carmine red | 0.53 | - | 0.26 | - | USD |
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| 67‑78 | 3.39 | - | 3.12 | - | USD |
22. November WM: None Perforation: 12½
![[Figure of Value - New Design, type O]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/O-s.jpg)
![[Figure of Value - New Design, type O1]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/O1-s.jpg)
![[Figure of Value - New Design, type O2]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/O2-s.jpg)
![[Figure of Value - New Design, type O3]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/O3-s.jpg)
![[Figure of Value - New Design, type O4]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/O4-s.jpg)
![[Figure of Value - New Design, type O5]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/O5-s.jpg)
| No. | Type | D | Color | Description |
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| 79 | O | 5H | yellowish green | 0.79 | - | 0.26 | - | USD |
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| 80 | O1 | 10H | yellowish green | 0.79 | - | 0.26 | - | USD |
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| 81 | O2 | 30H | yellowish green | 1.05 | - | 0.26 | - | USD |
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| 82 | O3 | 50H | yellowish green | 1.58 | - | 0.26 | - | USD |
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| 83 | O4 | 60H | yellowish green | 1.58 | - | 0.26 | - | USD |
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| 84 | O5 | 95H | yellowish green | 1.58 | - | 0.26 | - | USD |
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| 79‑84 | 7.37 | - | 1.56 | - | USD |
22. November WM: None Perforation: 12½
![[Figure of Value, type P]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/P-s.jpg)
![[Figure of Value, type P1]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/P1-s.jpg)
![[Figure of Value, type P2]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/P2-s.jpg)
![[Figure of Value, type P3]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/P3-s.jpg)
![[Figure of Value, type P4]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/P4-s.jpg)
![[Figure of Value, type P5]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/P5-s.jpg)
![[Figure of Value, type P6]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-due-stamps/P6-s.jpg)
| No. | Type | D | Color | Description |
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| 85 | P | 1Kc | greyish violet | (1,19 mill) | 2.64 | - | 0.26 | - | USD |
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| 86 | P1 | 1.20Kc | greyish violet | (1,7 mill) | 2.11 | - | 0.26 | - | USD |
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| 87 | P2 | 1.50Kc | greyish violet | (1,8 mill) | 3.16 | - | 0.26 | - | USD |
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| 88 | P3 | 1.60Kc | greyish violet | (950000) | 3.16 | - | 0.26 | - | USD |
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| 89 | P4 | 2Kc | greyish violet | (1,01 mill) | 4.22 | - | 0.26 | - | USD |
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| 90 | P5 | 3Kc | greyish violet | (1,07 mill) | 5.27 | - | 0.26 | - | USD |
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| 91 | P6 | 5Kc | greyish violet | (850000) | 5.27 | - | 0.26 | - | USD |
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| 85‑91 | 25.83 | - | 1.82 | - | USD |
