Receipt and bill from Berliner Kraft- und Licht (Bewag)-Aktiengesellschaft, Berlin Power and Light, Berlin, Germany used by Marie Loewenstein to prove residency in her apartment. Front cover is an advertisement for the company. On the back cover is a list of important information. Inside left of the bill is a receipt that has been filled out and is addressed to Dr. Max Loewenstein. Inside right side is a bill addressed to Dr. Max Loewenstein, it has not been filled out.