FDC Czechoslovakia, Pof.2811 (Mi. 2927), MNH

25 Kč

FDC Czechoslovakia , Pof.2811 (Mi. 2927), 1987 Birth Bicentenary of Jan Evangelista Purkyne (1787-18690CatalogNumberMichel2927Pofis2811Stanley Gibbons2897Scott2672Yvert2738MNH/Mint..

FDC Czechoslovakia, Pof.2926-2927 (Mi. 3034), MNH

25 Kč

FDC Czechoslovakia , Pof.2926-2927 (Mi. 3034), 1990 Anniversary Personalities 1990 Birth Centenary of Jaroslav Heyrovský (1890-1987)CatalogNumberMichel3034Pofis2926-2927Stanley Gib..