Ackermann & Fritze

 producer/manufacturer
 artist / decorator

Ackermann & Fritze
Rudolstadt - Volkstedt , Thuringia
Hersteller & Malerei / Manufacturer & Decorator. (Produced "Royal Vienna" style steins)
Known dates:1908 - 1914, although the business traded though to 1949/51.
References:  PorcelainSite  John Stuart