# 20 Mark (Otto Grotewohl) [Num7166]

> Circulating commemorative coins - Milled - Germany

**Wikidata**: [Q135793521](https://www.wikidata.org/wiki/Q135793521)  
**Source**: https://4ort.xyz/entity/20-mark-otto-grotewohl-num7166-


## References

1. Numista
2. [Source](https://en.numista.com/catalogue/pieces7166.html)