Stamps of Germany, Illustration from New Astronomy by Johannes Kepler 1571-16 design
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postage
1971, Jun 25 Kepler 400th issue unwmk p. 14
| X | 30 | multi | Illustration from New Astronomy by Johannes Kepler 1571-16 |
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| X | 30 | multi | Illustration from New Astronomy by Johannes Kepler 1571-16 |