50 Pfennig <a href="https://en.wikipedia.org/wiki/Notgeld" class="extiw" title="en:Notgeld">Notgeld banknote</a> of Berlin (1920), size: 53 mm x 86 mm.
Issued by the City of Berlin, reproduced and uploaded by <a href="//commons.wikimedia.org/wiki/User:Palauenc05" title="User:Palauenc05">Palauenc05</a>
1920-01-30
Private archive