Stamps of Poland, 7 Feb 1986
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postage
1986, Feb 7 Halley's Comet issue unwmk p. 11x11.5
| - | 25z | multi | Michal Kamienski 1879-1973 astronomer orbit diagram-Halleys Comet | |||
| - | 25z | multi | Comet Vega Giotto Planet-A ICE-3 space probes-Halleys Comet | — | — |
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