Image via: http://www.artbeat123.com/marymac/sandr.html
https://www.facebook.com/marc.tudeau?fref=nf
update June 2017, a Citroen in France has been painted to look like the Delauney B12
https://www.facebook.com/photo.php?fbid=10155452987224306&set=a.10155452987084306.1073742099.601289305&type=3