Now showing: Czechoslovakia - Postage stamps (1918 - 1992) - 3 stamps.
WM: None Design: K. Seizinger Engraving: K. Seizinger
![[The 100th Anniversary of the Birth of Miroslav Tyrsh(1832-1884), type YBY]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/YBY-s.jpg)
20. June WM: None Sheetsize: 100 Design: K. Seizinger Engraving: K. Seizinger Perforation: 9¾
![[The 1100th Anniversary of Nitra, type YBZ]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/YBZ-s.jpg)
![[The 1100th Anniversary of Nitra, type YCA]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/YCA-s.jpg)
