The suggestion of the gonfalon with the 1839 Eglinton Event as held at Eglinton Castle in Scotland. A gonfalon can consist of a badge or coat of arms, or decoration. Currently, each Italian comune (municipality) includes a gonfalon sporting its coat of arms. It is among only two sq. flags, https://travisrdrsd.isblog.net/the-medieval-banners-and-flags-diaries-50238840