~ Andenken an die Vereingten-Staaten ~
The inscription on this stein is self explanatory and the stein is of the period, ca. 1890. The name "John C. Oeters" can be searched and was a brewer or malter in the Philadelphia area at the time.
Andenken an die Vereingten-Staaten Braumeister-Convention Oktober 1890 in Philadelphia von J. C. Oeters	Remembrance of the United States Brew Masters' Convention October 1890 in Philadelphia from J. C. Oeters

Translation: Roy de Selms Photo credit: Unknown