50 Pfennig <a href="https://en.wikipedia.org/wiki/Notgeld" class="extiw" title="en:Notgeld">Notgeld banknote</a> of  <a href="https://en.wikipedia.org/wiki/Braunschweig" class="extiw" title="en:Braunschweig">Braunschweig</a> (1921), RV: Caricature of composer <a href="https://en.wikipedia.org/wiki/Franz_Abt" class="extiw" title="en:Franz Abt">Franz Abt</a>, size: 57 mm x 97 mm.
Reproduced by <a href="//commons.wikimedia.org/wiki/User:Palauenc05" title="User:Palauenc05">Palauenc05</a>
1921
Private archive