Brand: Porter.
Producer: Bergquell Brauerei Löbau
Description: Red crown, red and black cap. Gold text: LAUSITZER SCHWARZES. White text: Porter. Black background inside with code XXXX XXXX and black text: SAMMELN ! Infos unter www.bergquell.porter.de.
Factory sign: DKF (Delmenhorster Kork-Fabrik)