Red cross overprints

German occupation - General Government
Fischer 52-55 | Michel 52-55 | Year of issue 1940

Fischer 43, 45, 48 and 50 in different colour, overprinted with a red cross and surcharge.

52 University court, Kraków	53 Wawel castle, Kraków

54 Town hall tower, Kraków	55 Saint Mary's church, Kraków