Brand: Bergt.
Producer: Bergt Bräu Brauerei Reichenbrand GmbH & Co. KG.
Description: Black crown cap. White and black logo of a triangle. White text: BBR.
Identification: BBRR.
Plastic line.
Factory sign: R.R.K. (Rauh GmbH & Co. Blechwarenfabrikations-KG).