# Definitive "ČESKO-SLOVENSKÁ" 1 (H) 1919, 18 December (perforated)

> Czechoslovak postage stamp

**Wikidata**: [Q114607722](https://www.wikidata.org/wiki/Q114607722)  
**Source**: https://4ort.xyz/entity/definitive-esko-slovensk-1-h-1919-18-december-perforated-