This image is a derivative work of the following images: File:State Flag of PRL v1.svg licensed with PD-self, PD-self/pl 2009-03-22T19:29:59Z Mboro 1280x800
image is a derivative work of the following images: File:Flag of Poland (with coat of arms).svg licensed with PD-Polishsymbol, PD-self 2007-12-01T01:17:46Z