# signature mark

> sign formerly added by book publishers in the margin of some pages as identifiable page collation helpers for their bookbinding

**Wikidata**: [Q1896029](https://www.wikidata.org/wiki/Q1896029)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Signature_mark)  
**Source**: https://4ort.xyz/entity/signature-mark


## References

1. Freebase Data Dumps. 2013