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.
Roland Flagge. Flagg of the German RolandLinie AG theshipslist shtml author PDshape RolandLinie House flags shipping White flags with red Flags with keys PDold
Page 2023 Free-images.com. All images are Public Domain