# 20 Mark Karl Marx (1968)

> commemorative coin of the German Democratic Republic

**Wikidata**: [Q135794231](https://www.wikidata.org/wiki/Q135794231)  
**Source**: https://4ort.xyz/entity/20-mark-karl-marx-1968-


## References

1. Numista
2. [Muenzen.eu](https://www.muenzen.eu/ddr/20-mark-marx-1968.html)
3. [Source](https://en.numista.com/catalogue/pieces42956.html)