Complex sentence: In Prussia, the Reichsthaler (also often called the thaler) contained 1/14 of a Cologne mark of silver and, during the early 19th century, this replaced the larger Reichsthaler as the standard in most of northern Germany.
Split into simpler sentences: In Prussia, the Reichsthaler (also often called the thaler) contained 1/14 of a Cologne mark of silver. During the early 19th century, the smaller Prussian standard for the Reichsthaler replaced the larger standard in most of northern Germany.