Hybrid of File:Flag of the Czech Republic.svg and File:Flag of Slovakia.svg.
Flag_of_the_Czech_Republic.svg
Flag_of_Slovakia.svg
Flag_of_the_Czech_Republic.svg: see File:Flag_of_the_Czech_Republic#filehistory
Flag_of_Slovakia.svg: see File:Flag_of_Slovakia#filehistory
derivative work: SenseiAC