The suggestion of the gonfalon through the 1839 Eglinton Tournament as held at Eglinton Castle in Scotland. A gonfalon can contain a badge or coat of arms, or decoration. Currently, every single Italian comune (municipality) includes a gonfalon sporting its coat of arms. This guideline can however work for you https://medievalbannerlongtranspa45140.smblogsites.com/33295163/custom-medieval-flags-an-overview