Cehoslovacia
Prezentat acum: Cehoslovacia - Timbre poştale (1918 - 1992) - 1 timbre.
1966
The 100th Anniversary of Czech Chemical Society
4. Iulie WM: Niciunul Design: F. Gross Gravură: J. Goldschmied Perforare: 11¼ x 11½
![[The 100th Anniversary of Czech Chemical Society, Tip AOQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/AOQ-s.jpg)
