I'd just found this original film footage of "Beutetanks" captured after the Battle of Cambrai. https://www.filmothek.bundesarchiv.de/video/583347 You can find and discuss many details! Because it's german I'd translated the introducing texts as good as I can: #1 (00:00): After the Tank Bat...
This is "2080 B28 Black Arrow II" on the attack of Cambrai battle 20.11.1917 http://s142.photobucket.com/user/wollhodden/library/MKIV%20MALE%201_35%20TAMIYA