Brunswick's Thaler coinage of this period was tied directly to the Dresden Convention of 1838, which standardized the North German Thaler at 22.27 grams and brought a patchwork of competing German state coinages into reluctant alignment. William — Herzog Wilhelm, who had reclaimed the duchy in 1830 after his brother Ernst August's accession to Hanover dissolved their personal union — issued this piece under a monetary framework he had little hand in designing.
The .750 fineness was below that of many contemporary Prussian issues, a compromise baked into the Convention itself.
Brunswick's Thaler coinage of this period was tied directly to the Dresden Convention of 1838, which standardized the North German Thaler at 22.27 grams and brought a patchwork of competing German state coinages into reluctant alignment. William — Herzog Wilhelm, who had reclaimed the duchy in 1830 after his brother Ernst August's accession to Hanover dissolved their personal union — issued this piece under a monetary framework he had little hand in designing.
The .750 fineness was below that of many contemporary Prussian issues, a compromise baked into the Convention itself.