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postage
2018, Oct 18 460th Anniversary of the Polish Post issue unwmk p. 11.5
| - | 10Zł | multi |
2021, Oct 6 30th Anniversary of Caritas Poland issue (no wmk info) (no perf info)
| - | 10Zł | multi | — | — |
airmail
1946, Mar 5 1946 air issue unwmk
| X | 10Zł | vio | Airplane over Warsaw |
1957, Dec 6 1957 air issue
| X | 10Zł | blgrn |
1959, May 23 65th Anniversary of the Polish Philatelists Union issue
| - | 10Zł | pur & blk |
1976 1976 air issue
| X | 10Zł | lilbrn |
postage due
1946 1946 due issue
| X | 10Zł | yelbrn | Imperforated |
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