Stamps of Poland, 1.20+0.15z denom
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semipostal
1951, Dec 6-year plan issue unwmk p. 12.75x12.5
| - | 1.20+0.15z | red | Six-Years Plan mining |
1952, Apr 18 Bierut 60th issue
| X | 1.20+0.15z | blgray | Pres Boleslaw Bierut |
1952, Dec 4 miners day 1952 issue p. 12.5x12.75
| X | 1.20+0.15z | brn | miner with a drilling machine |
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