Catalog
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| Issuer | Czech National Bank |
|---|---|
| Year | 2009 |
| Type | Non-circulating coin |
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|---|---|
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| Reverse description | The reverse presents a bold, expressionistic portrait of Johannes Kepler in high relief, depicting his bearded face and characteristic period collar in a stylized, almost sculptural artistic treatment. Behind and around the portrait, an elliptical orbital arc sweeps across the field, with a triangular sector highlighted to illustrate Kepler's second law — that a line joining a planet to the Sun sweeps equal areas in equal times. The legend 'KEPLEROVY ZÁKONY' arcs along the upper right rim, while 'POHYBU PLANET' continues along the lower right, and the dates '1609–2009' appear along the lower left rim, commemorating four centuries since the publication of Astronomia Nova. The designer's initial 'D' appears in the lower left field. |
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| Edge | Milled; Plain with engraved lettering |
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| Mintage | 2009 ČM - Milled edge; 310 pieces destroyed - 10,500 2009 ČM - Plain edge with engraved lettering; Proof; 652 pieces destroyed - 16,700 |
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