Brand: Altdorfer Bio.
Producer: Brauhaus Altdorf GmbH. (Remark: Brewery is closed and now belongs to Brauerei Franz Xaver Glossner e.K.)
Description: Golden crown cap. White label with text: MARKE in black and Altdorfer in red. Green label with white stars. White and green label with black and green text: BIO.
Factory sign: R.R.K. (Roland Rauh Kronach)