Seems to be mostly speculation about these (regarding when/where they were made and the origin of the brass), but they were made in a quantity that would take them out of the description of true trench art: Bastogne Plaques | Collectors Weekly
Thanks nhbenz - I figured that was out there somewhere. It's too refined to be trench art - has a manufactured look to it, but TOTALLY awesome!! Out of the three shown, I like the octagon best!!