GBM 97 might be useful: http://blindes-materiel.histoireetcollections.com/en/article/27557/le-char-signal-renault-ft-tsf-par-francois-vauvillier-poursuivant-la-revue-de-detail-des-chars-ft-de-serie-cet-article-presente-.html
"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.