# postage due stamp

> mail sent with insufficient postage

**Wikidata**: [Q922737](https://www.wikidata.org/wiki/Q922737)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Postage_due)  
**Source**: https://4ort.xyz/entity/postage-due-stamp


## References

1. Freebase Data Dumps. 2013