Built by the French auto manufacturer Chenard & Walcker. Their aerodynamic open cars were usually described as tanks because of their resemblance to the First World War battle wagons. This highly unusual automobile is a rare and sporting example of this important but now nearly forgotten early French manufacturer. For more info see blog.hemmings.com/index.php/2009/10/16/hemmings-find-of-t.... Black & white photo found on /pinapramoff.wordpress.com/. Colorized.