Mannheim, Baden. (Now Baden - Württemberg)
Fabrik von Conservegefässen in Glass Porzellan und Steingut, und Bierkrüge / Manufacture of conserving containers in glass, porcelain and earthenware, and beer steins.
Cast lid on the featured stein. 
Turn of the century stein for Münchener Bürgerbräu by a supplier from Mannheim. 
Basemark on featured stein 
Postcard from Hermann Gerngross, confirming his Mannheim address. 