# Philip Mathias Wolsieffer

> American stamp dealer and philatelist (1857–1934)

**Wikidata**: [Q7184045](https://www.wikidata.org/wiki/Q7184045)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Philip_Mathias_Wolsieffer)  
**Source**: https://4ort.xyz/entity/philip-mathias-wolsieffer


## References

1. 1860 United States Census
2. [Source](https://classic.stamps.org/HOF-1941)
3. Virtual International Authority File
4. SNAC