A different 9th century vertical flying flag is the raven banner which was employed broadly by the Vikings. Even though no entire illustration of this banner exists, it in all probability appears on Northumbrian coins from the beginning from the century and afterwards, from the 11th century, is probably found https://ricardoxlufq.bloggerbags.com/37182663/5-tips-about-medival-flags-you-can-use-today