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1 Ducat - John Frederick
| Issuer | Brunswick-Lüneburg-Calenberg |
|---|---|
| Year | 1673-1679 |
| Type | Standard circulation coin |
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| Obverse description | Draped bust of Duke John Frederick facing right, with long flowing hair in the Baroque style. The effigy is rendered in high relief with fine portraiture detail typical of late 17th-century German ducal coinage. A decorative cartouche or scroll ornament appears below the truncation. The circumferential Latin legend reads JOHAN FRIEDRICH D:G:DUX B:E:L:, separated by stops, running clockwise within a beaded border. |
|---|---|
| Obverse script | Latin |
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| Additional information |
John Frederick ruled Calenberg from 1665 until his death in 1679, and his reign marked a decisive Catholic interlude in a predominantly Lutheran principality — he converted in 1651 while in Italy, a move that caused persistent friction with his subjects and neighboring Protestant courts. His ducats of this period were struck at Clausthal, the principal mint serving the Harz silver and gold mining operations, though the output in gold was modest by any measure.
Welter 1662 covers multiple die marriages across the emission, and attribution to specific years within the 1673–1679 window typically depends on the date position relative to the mintmaster's mark.