Mk.IV "Male" Serial № ???? Name J2 Jacob "25-Mar-18 -10th Bttn, A Coy, J2 – In action, hit, set afire, abandoned";
Mk.IV "Female" Serial № 2830 Name J21 Jingle "23-Mar-18 -10th Bttn, B Coy, J21, 2Lt Harper - One of three tanks that broke down and was abandoned when 10th battalion retreated towards Bapaume".