1 Gulden - William I

The 1823 Württemberg gulden was struck under Wilhelm I, who had spent the Napoleonic years skillfully navigating between French client-state obligations and dynastic survival — emerging with his kingdom's borders actually enlarged by the Congress of Vienna. The south German gulden monetary system it belonged to predates the later Dresden Convention of 1838, which would formally standardize the 24½-gulden-to-mark-of-Cologne ratio across the southern states.

The KM#Pn30 designation warrants attention: the Pn prefix indicates this is catalogued as a pattern, suggesting the 1823 date may represent a trial or presentation striking rather than a fully authorized circulation issue.