The Conventionstaler was a standard silver

Silver

Silver is a metallic chemical element with the chemical symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it has the highest electrical conductivity of any element and the highest thermal conductivity of any metal...

 coin of the Holy Roman Empire

Holy Roman Empire

The Holy Roman Empire was a realm that existed from 962 to 1806 in Central Europe.It was ruled by the Holy Roman Emperor. Its character changed during the Middle Ages and the Early Modern period, when the power of the emperor gradually weakened in favour of the princes...

. It was introduced in 1754 and contained one tenth of a Cologne mark

Cologne mark

The Cologne Mark was a unit of weight equivalent to 233.856 grams. It was introduced by the Danish King Hans in the late 15th century and was used as a standard for weighing metals...

 of silver (~23.39 gram

Gram

The gram is a metric system unit of mass....

s).

The Conventionstaler was used as a standard in most of the Empire, with a variety of subdivisions being used, including the Reichsthaler

Reichsthaler

The Reichsthaler was a standard Thaler of the Holy Roman Empire, established in 1566 by the Leipzig convention. It was also the name of a unit of account in northern Germany and of a silver coin issued by Prussia.-Reichsthaler coin:...

, Austro-Hungarian Gulden

Austro-Hungarian gulden

The Gulden or forint was the currency of the Austrian Empire and later the Austro-Hungarian Empire between 1754 and 1892 when it was replaced by the Krone/korona as part of the introduction of the gold standard. In Austria, the Gulden was initially divided into 60 Kreuzer, and in Hungary, the...

, South German Gulden

South German gulden

The Gulden was the currency of the states of southern Germany between 1754 and 1873. These states included Bavaria, Baden, Württemberg, Frankfurt and Hohenzollern....

, Groschen

Groschen

Groschen was the name for a coin used in various German-speaking states as well as some non-German-speaking countries of Central Europe , the Danubian principalities...

, Pfennig

Pfennig

The Pfennig , plural Pfennige, is an old German coin or note, which existed from the 9th century until the introduction of the euro in 2002....

 and Heller

Heller (money)

The Heller or Häller was originally a German coin valued at half a pfennig and named after the city of Hall am Kocher...

. The Conventionstaler replaced as standard the Kronenthaler

Kronenthaler

The Kronenthaler was a silver coin first issued in the Austrian Netherlands . It contained one ninth of a Cologne mark of silver and was thus equal to the Reichsthaler of the Leipzig convention. Most examples show the bust of the Austrian ruler on the obverse and four crowns on the reverse, hence...

 which contained one ninth of a mark.

During the early 19th century, the Conventionstaler was superseded by a Thaler

Thaler

The Thaler was a silver coin used throughout Europe for almost four hundred years. Its name lives on in various currencies as the dollar or tolar. Etymologically, "Thaler" is an abbreviation of "Joachimsthaler", a coin type from the city of Joachimsthal in Bohemia, where some of the first such...

 containing one fourteenth of a Cologne mark of silver, based on the Prussian Thaler

Prussian thaler

The Thaler was the currency of Prussia until 1857. From 1750, it was distinct from north German Reichsthaler unit of account in that it contained 1/14 of a Cologne mark of silver, rather than 1/12, and was minted as a coin...