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postage
1967, Sep 5 flowers (1967 Poland) unwmk p. 9-14.5
| X | 7.90z | multi | chicory |
1967, Oct 15 butterflies (1967 Poland)
| X | 7.90z | multi | Maculinea arion |
1968 Olympics 1968 issue
| X | 7.90z | multi | Fencing |
1968, Jan 10 Winter Olympics 1968 issue
| X | 7.90z | multi | ski jump |
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