Address: ?
Unclassified
B & D appear to have three sizes, 1,2 & 3. 1. being 0.25 litre, 2. being 0.5 litre and 3. being 1.0 litre.
Purchased steins from: Reinhold Hanke S.P. Gerz
Reference:
Basemark of featured stein (centre top). Steins marked #2, are about 5" tall, 
Basemark on a larger stein of identical straight sided pattern. Steins marked #3, are about 6" tall, 
This time on a S.P.Gerz I blue and white stein, dated circa 1900. 
Simple blue and grey 0.3 litre stein, with double twin cobalt blue hoops and with a rolled end to the handle bottom, but no capacity mark, but plus an infrequently fitted flat pewter lid. 
Barrel version of the B&D stein 
Basemark on an identical straight side stein, showing the sanserif "Germany." which confirms this was made by Reinhold Hanke. Steins marked #2, are about 5" tall, 
This time the Identical straight sided stein with an actual Reinhold Hanke mark. 
Another basemark found on a 0.25 litre version of the straight sided stein. 