A regulation handed in 1758 expected Danish ships sailing during the Mediterranean to hold the royal cypher in the center on the flag to differentiate them from Maltese ships thanks to its similarity from the flag with the Sovereign Navy Buy of Malta. banners of CrusadersDetail of a 15th-century tapestry https://medieval-banner64296.blogdigy.com/what-does-medeival-flags-mean-47804231