Dreigroscher Öffentlichkeit Deposited
A popular name for the triple Groschen which were struck in Poland, Lithuania, and some portions of Prussia in the sixteenth century. At a later period the Electors of Brandenburg issued Dreigroscher of the value of three Prussian Groschen plus four Pfennige, with corresponding larger coins called Schsgroscher and Zwolfgroscher. All of the abover named were of base silver.
- Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)