This might be irrelevant, but this plaque is on the rear ot the Saint-Chamond at Saumur. I don't think there's anything Jewish about it, I suspect the star is just a design that people liked, Berthier amongst them. There are also swastikas carried as decoration and nothing to do with WWII.
"Sometimes things that are not true are included in Wikipedia. While at first glance that may appear like a very great problem for Wikipedia, in reality is it not. In fact, it's a good thing." - Wikipedia.