Attributed coat of arms of King Cnut (who lived before standardized coats of arms came into use) by Matthew Paris. A 13th century fantasy coat of arms.
<bdi><a href="https://en.wikipedia.org/wiki/en:Matthew_Paris" class="extiw" title="w:en:Matthew Paris"><span title="medieval English chronicler and artist (c.1200-1259)">Matthew Paris</span></a>
</bdi>
circa 1255 <div style="display: none;">date QS:P,+1255-00-00T00:00:00Z/9,P1480,Q5727902</div>
Historia Anglorum