Philatelia.Net / Literature for children / Stamps /
Series: 300th Anniv of Publication of Komensky «Opera Didactica Omnia»
Czechoslovakia, 1957, 30 h. 11 (1/2). brown
Catalogues: Michel: 1009POFIS: 928Scott: 791Stanley Gibbons: 967Yvert et Tellier: 896
Plots: Komensky Jan Amos. «Orbis Sensualium Pictus»
Czechoslovakia, 1957.03.28, Prague. Opera Didactica Omnia