This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Flag of the Duchy of Lancaster.svg Flag of the Duchy of Lancaster Made by resizing recoloring elements from Image Royal Standard of England svg and Image Royal Standard of Canada svg own assumed Yaddah External link flags net htm United Kingdom Royal and viceregal flags at World Flag Database insignia Blue red yellow flags Royal