50 Pfennig <a href="https://en.wikipedia.org/wiki/%22Notgeld" class="extiw" title='en:"Notgeld'>"Notgeld" banknote</a> of <a href="https://en.wikipedia.org/wiki/Bad_Oeynhausen" class="extiw" title="en:Bad Oeynhausen">Bad Oeynhausen</a> (undated), size: 61 mm x 90 mm.
Issued by the Town of Bad Oeynhausen, reproduced from an original banknote by <a href="//commons.wikimedia.org/wiki/User:Palauenc05" title="User:Palauenc05">Palauenc05</a>
2020-11-27
Private archive.