Stamps of Poland, 17 base day
101 to 109 of 109
postage
2020, Jan 17 unwmk (no perf info)
| - | 3.30Zł | multi | Leszno |
2021, Nov 17 Anders Army - Trail of Hope issue (no wmk info)
| - | 4Zł | multi | — | — |
2022, Feb 17 100th Anniversary of the Civil Service issue
| - | 3.60Zł | multi | — | — |
2022, Mar 17 Easter 2022 issue
| - | 4.50Zł | multi | — | — |
2022, Jun 17
| - | 3.60Zł | multi | Lubliniec | — | — |
2022, Sep 17 Crossing of the Vistula Split issue
| - | 60gr | multi | — | — |
semipostal
1952, Jul 17 youth festival 1952 issue unwmk p. 12.5x12
| - | 30+15gr | grn | Youth outing | |||
| X | 45+15gr | red | Young pioneers |
1988, Aug 17 Olympic Silver Medal for Jerzy Kukuczka issue (no perf info)
| - | 70+10z | multi |
101 to 109 of 109