Konventionsfuß

The first one was between Austria and a number of German states of the Holy Roman Empire in the mid-18th century.

Since the Cologne mark weighed approximately 233 g (with regional variants), one gulden had a fine weight of 11.69 g of silver.

This designation was retained even after the states that had been party to the Convention, with the exception of Austria, had switched to a different standard.

Saxony and many other German imperial circles and estates also introduced the Convention standard.

In Austria, the Convention standard expired in 1857 with the Vienna Minting Treaty, which saw the introduction of the Vereinsthaler of 1½ gulden).