Stamps of Upper Silesia, 40(pf) denom
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postage
1920, Mar 26 1920c issue unwmk (no perf info)
| X | 40 | olgrn | dove over mines smaller |
1921, Mar 20 ovpted
| X | 40 on 40(pf) | olgrn | dove over mines smaller | — | — |
official
1920 1920 official a issue ovpted on stamp of Germany - numeral (1920) p. 14
| X | 40 on 40(pf) | car | — | — |
1920, Feb 1920 official b issue ovpted on stamp of Germany wmk. lozenges (no perf info)
| - | 40 on 40(pf) | lake & blk | Germania | — | — |
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