A coin of Prussia, first issued in 1821, and the thirtieth part of a Thaler; it was subdivided into twelve Pfennige.
This division of the Thaler was copied in Saxony and Hanover, the coins in these states receiving the name of Neugroschen, but they were valued at ten Pfennige.
See Also: Silbergroschen
Source: Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)