චෙකස්ලෝවැකියාව
දැන් පෙන්වන්නේ: චෙකස්ලෝවැකියාව - තැපැල් මුද්දර (1918 - 1992) - 1 මුද්දර .
1954
The 200th Anniversary of the Invention of Lightning Conductor by Procop Divis, Physicist
15. June WM: කිසිවක් නැත මෝස්තරය: C. Bouda කැටයම: B, Roule සිදුර: 11½
![[The 200th Anniversary of the Invention of Lightning Conductor by Procop Divis, Physicist, වර්ගය LB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/LB-s.jpg)
![[The 200th Anniversary of the Invention of Lightning Conductor by Procop Divis, Physicist, වර්ගය LC]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/LC-s.jpg)
