In 1750, Johann Philipp Graumann implemented the Graumannscher Fuß with 14 thalers issued to a Cologne Mark of fine silver, or 16.704 g per thaler.
Prussia's currency was unified in 1821, with the Thaler subdivided into 30 Silbergroschen, each of 12 Pfennige.
While the predominant North German thaler used in other North German states from 1750 to 1840 was issued 131⁄3 to a Mark and appeared in denominations of 2⁄3 and 11⁄3 thalers, the Prussian thaler was issued 14 to a Mark and appeared as a 1-thaler coin.
In 1857, these North German and Prussian thalers were replaced by the Vereinsthaler, having become the standard across much of Germany.
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