Saint-Chamond late WW1

 

 

 

 

 

 

 

First layer of intermediate blue, very little historical trace and more purely original parts. I therefore choose the camp of those who think after research that it is very probably this color which was the original base. 

 

 

 

 

 

 

 

 

Done, Here is my interpretation, no color images, lots of stories and opinions.