==Round shield boss (Umbo)==
=== Viking Domed===See main article [[Round Shield Bosses]]
<gallery heights=100px mode="Packed" style="text-alignThere are four main types of bosses:left">File:R562.jpg|NorwayViking Domed, R562File:R563.jpg|Norway, R563File:R564.jpg|Norway, R564File:R565.jpg|Norway, R565NMS Ballinaby Boss.JPG|Scotland, BallinabyNMS Westness Boss.jpg|Scotland, Westness</gallery> === Hiberno-Norse / English=== <gallery heights=100px mode="Packed" style="text-align:left">NMS Lamlash Boss.JPG|Scotland, LamlashNMS Lamlash Boss Side.JPG|Scotland, Lamlash</gallery> === Irish === <gallery heights=100px mode="Packed" style="text-align:left">File:Example.jpg|?</gallery> === and Carolingian === <gallery heights=100px mode="Packed" style="text-align:left">File:L'lle de Groix Other Shield bosses.jpg|L'lle de Groix</gallery> ===Decorative bosses=======Gold leaf====''A metal shield boss that has been covered in gold leaf.'' ====Painted Bosses====''A metal shield boss that has been covered in paint.''<br><br>To the best of my knowledge no shield boss has been found with traces of paint still adhering to it. Also the painting of bosses seems unlikely as period paints do not have the necessary adhesive properties.