1 to 13 of 13
semipostal
1967, May 24 Olympics 1968 in 1967 issue unwmk (no perf info)
| - | 10+5z | multi | — | — |
1968 Olympics 1968 issue
| - | 10+5z | multi |
1970, Jun 16 10th session Olympic Academy issue
| - | 10+5z | multi |
1972, Jan 12 Winter Olympics 1972 issue
| - | 10+5z | multi |
1972, Apr 25 Olympics 1972 issue
| - | 10+5z | multi |
1972, Sep 28 Copernicus 1972 issue
| - | 10+5z | multi |
1973, Jun 30 POLSKA 73 issue
| - | 10+5z | olbrn & dkpur | ||||
| - | 10+5z | grayvio & dkpur |
1975 Olympics 1976 in 1975 issue
| - | 10+5z | multi |
1976, Jun 30 Olympics 1976 issue
| - | 10+5z | multi |
1979, Mar 26 60 years Polish Olympic Committee issue imperf
| - | 10+5z | multi | Olympic rings |
1979, Sep 1 40th anniv. Of Polish postal workers' resistance to nazi inv issue
| - | 10+5z | multi | monument |
1986, Dec 22 Joachim Lelewel 200th issue p. 11x11.75
| - | 10+5z | multi | Joachim Lelewel | .20 |
1 to 13 of 13