Czechoslovakia 1326-1332, 1334

Czechoslovakia 1326-1332, 1334, MNH, $2.10. Michel 1559/1564. Joseph Navratil, 1798-1865, painter; Stur, 1815-1856, Slovak author and historian; Gregor Johann Mendel; 550th Ann. of the death of Jan Hus, religious reformer;. Satellite. Micromolecular Symposium Emblem. 1965.