This is my older work,low poly. It is just a model with hand painted texture made in Gimp.I don’t know why, but texture painting does not work for me in Blender.Gives me some strange glitching on texture. But on the other side ,maybe I just don’t know how to do it… 
Looks great, i really like the way you painted the wood structure. You say this is finished, but just a really small nitpick, the metal highlights could be a bit sharper imo (the soft look give it a bit of a plastic feel instead of metal).
Strange glitching on the texture? Are you talking about the artefacts that happen occasionally (like in symmetry mode)? That’s going to be fixed soon (can’t find the link right now, but there are videos out already of newer builds showing it fixed (i think it was part of GSOC this year))
Anyway, good job 
I write to say that I have created in Blender the model of your shield. Thank you very much for showing it. I hope it does not bother you. For anything write a comment.