# Penny Black

> world's first adhesive postage stamp

**Wikidata**: [Q107701](https://www.wikidata.org/wiki/Q107701)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Penny_Black)  
**Source**: https://4ort.xyz/entity/penny-black


## References

1. Lexikon der Philatelie (5 ed.)
2. [Source](https://www.postalmuseum.org/discover/collections/penny-black/)
3. Michel Valuable Stamps of the World – Wertvolle Briefmarken aus aller Welt (1 ed.)
4. Freebase Data Dumps. 2013
5. [Source](https://www.warwickandwarwick.com/news/guides/the-ultimate-penny-black-stamp-guide)
6. BBC Things
7. Quora