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:
Banderia Prutenorum r. la Banderium comendarie et civitatis Schonsze quod Niklosch Wylcz comendator in Schonsze ducebat allas Kowalyewo sub quo erant et fratres de ordine militares et aliqui mercenarii et proprii milites Kowalewa Banderia Prutenorum Fol laborunion lt htm Ekdahl Die Banderia Prutenorum des Jan Dlugosz eine Quelle