Superficially it resembles a shield boss with three fixing holes but I thought that they were heavier and cast.

I doubt if it is a shield boss having gold gilt.

I saw the sun red in their eyes, the blistering light of day ablaze on shield boss and sword edge.

The Briton went down with a piercing cry as Cato wrenched the blade free and knocked him flat with the shield boss.

He dropped the staple at the right rim, but his forearm was through the loop behind the shield boss.

Parma had a handle and a shield boss (umbo).

His shield boss caught the flat light from the sea and made it gold.

Finds included a shield boss and fragments of an urn or drinking cup.

The shield bosses are taken, in the book, to represent 3 levels of hierarchy in the small army.

They did not wear much in the way of body protection or helmets (early Frankish shield bosses were at first classified as helmets by early archaeologists).