Banner of Casimir V, later duke of Szczecin (at the battle he wasn't a duke yet)
Jan Długosz &amp; Stanisław Durink
1448
<ul><li>Banderia Prutenorum Fol. 32v</li>
<li><a rel="nofollow" class="external text" href="http://www.laborunion.lt/memorandum/ru/modules/banderia/quartus.htm">Ekdahl S. Die "Banderia Prutenorum" des Jan Dlugosz - eine Quelle zur Schlacht bei Tannenberg 1410, Göttingen, 1976</a></li></ul>