It appears to me that the curved ridge on the left passing the skull and then turning down on the right might be the edge of the shield beneath the skeleton.
Civ thanks for the post and the introduction to The Pocklington Post. Let NSA make what they will of that in my favorites list.
14 posted on 05/09/2015 1:06:14 PM PDT by Covenantor
("Men are ruled...by liars who refuse them news, and by fools who cannot govern." Chesterton)