# Fer de Berlin

> cast iron jewerly, made fashionable as a sign of solidarity during austerity measures during the Napoleonic wars

**Wikidata**: [Q1289087](https://www.wikidata.org/wiki/Q1289087)  
**Source**: https://4ort.xyz/entity/fer-de-berlin


## References

1. [Source](https://hedendaagsesieraden.nl/2019/10/25/fer-de-berlin/)