# Jan Balcer

> Ensign of the Polish Air Force, pilot (1902-1939)

**Wikidata**: [Q107083932](https://www.wikidata.org/wiki/Q107083932)  
**Source**: https://4ort.xyz/entity/jan-balcer


## References

1. [Source](https://niebieskaeskadra.pl/m/?control=8&id=3978&title=jan-balcer)
2. Vistula