1920 Československé poštové známky s pretlačou „SO 1920“
Príbeh vydania
Tešínsko si po roku 1918 nárokovalo Československo aj Poľsko. Pre plánovaný plebiscit obe krajiny pretlačili svoje známky skratkou S.O. 1920 – Silésie Orientale, Východné Sliezsko – a používali sa od februára do septembra 1920. Hlasovanie sa napokon nekonalo: hranicu určila 28. júla 1920 dohoda veľmocí.
| SW | Pofis | Typ | Nominál | Farba | Popis | Náklad | Nepoužitá | Použitá |
|---|---|---|---|---|---|---|---|---|
| 1 | SO1 | A | 1 H | 515 000 | ●○○○○ | ●○○○○ | ||
| 2 | SO2 | A1 | 3 H | 470 000 | ●○○○○ | ●○○○○ | ||
| 3 | SO3 | A2 | 5 H | ●●○○○ | ●●○○○ | |||
| 4 | SO4 | A3 | 10 H | ●●●○○ | ●●●○○ | |||
| 5 | SO5 | A4 | 15 H | ●●○○○ | ●●○○○ | |||
| 6 | SO6 | A5 | 20 H | ●○○○○ | ●○○○○ | |||
| 7 | SO7 | A6 | 20 H | ●●●●○ | ●●●○○ | |||
| 8 | SO8 | A7 | 25 H | ●○○○○ | ●○○○○ | |||
| 9 | SO9 | A8 | 30 H | ●○○○○ | ●○○○○ | |||
| 10 | SO11 | A9 | 40 H | 250 000 | ●○○○○ | ●○○○○ | ||
| 11 | SO12 | A10 | 50 H | ●○○○○ | ●○○○○ | |||
| 12 | SO13 | A11 | 50 H | ●○○○○ | ●○○○○ | |||
| 13 | SO14 | A12 | 60 H | ●○○○○ | ●○○○○ | |||
| 14 | SO15 | A13 | 75 H | 220 000 | ●○○○○ | ●○○○○ | ||
| 15 | SO16 | A14 | 80 H | 230 000 | ●○○○○ | ●○○○○ | ||
| 16 | SO17 | A15 | 100 H | 280 000 | ●○○○○ | ●○○○○ | ||
| 17 | SO18 | A16 | 120 H | 160 000 | ●○○○○ | ●○○○○ | ||
| 18 | SO19 | A17 | 200 H | ●○○○○ | ●○○○○ | |||
| 19 | SO20 | A18 | 300 H | 180 000 | ●●○○○ | ●●○○○ | ||
| 20 | SO21 | A19 | 400 H | 170 000 | ●○○○○ | ●○○○○ | ||
| 21 | SO22 | A20 | 500 H | 160 000 | ●●○○○ | ●●○○○ | ||
| 21A* | SO22 a | A21 | 500 H | ●●○○○ | ●●○○○ | |||
| 22 | SO23 | A22 | 1000 H | 120 000 | ●●○○○ | ●●○○○ | ||
| 22A* | SO23 a | A23 | 1000 H | ●●●○○ | ●●●○○ | |||
| 1‑22 | ●●●●○ | ●●●●○ |















































