Profuse apologies. I don't believe Maistro Diecast Models makes the correct Citroen in 1:24, but Bburago certainly does (2 different models). Obviously my recollection of both manufacturer and scale was in error. 1:24 would be far more logical than 1:18 scale. Have previously indicated I'm not a dioramist, and this just serves to illustrate why. Not only why, but why I hesitate to become involved in these discussions. Unfortunately in my mind the whole arena of "scale" in "toy soldiers" has rapidly become analogous to the minefield of restrikes and fakes of British Army cap badges. You might possibly be interested in the following article I wrote in my blog page;
http://arnhemjim.blogspot.com/2014/06/its-all-matter-of-scale.html .
Arnhem Jim