50 Pfennig <a href="https://de.wikipedia.org/wiki/Notgeld" class="extiw" title="de:Notgeld">"Notgeld" banknote</a> of <a href="https://en.wikipedia.org/wiki/Auerbach_(Vogtland)" class="extiw" title="en:Auerbach (Vogtland)">Auerbach im Vogtland</a>, 1921, very unusual with almost identical obverse and reverse design, size: 74 mm x 101 mm.
Designed by <a href="https://de.wikipedia.org/wiki/Heinz_Schiestl" class="extiw" title="de:Heinz Schiestl">Heinz Schiestl</a>, issued by the Town of Auerbach im Vogtland, reproduced by <a href="//commons.wikimedia.org/wiki/User:Palauenc05" title="User:Palauenc05">Palauenc05</a>
1921-07-01
<span class="int-own-work" lang="en">Own work</span>