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Series: 300th Anniv of Publication of Komensky «Opera Didactica Omnia»
Czechoslovakia, 1957, 60 h. 14. brown
Catalogues: Michel: 1011POFIS: 930Scott: 799Stanley Gibbons: 969Yvert et Tellier: 899
Artists: Ovens Jurgen
Plots: Komensky Jan Amos. «Orbis Sensualium Pictus»
Czechoslovakia, 1957.03.28, Prague. Opera Didactica Omnia