First image is in Strasheim & Hundleby - it's (from left) #504 "Schnuck", #563 "Wotan" and #525 "Siegfried" - believed to be Abt, 2 summer exercises, location unknown.
The second to last image is #542 Elfriede at Saleux where it was shown to Louis Breton, Under Secretary of State for Inventions, on 18 May 1918 after it had been retrieved from Villers-Bretonneux.
More images of Elfriede at: http://pages14-18.mesdiscussions.net/pages1418/Pages-d-Histoire-Artillerie/Artillerie-Speciale-chars-d-assaut/elfriede-recupere-bretonneux-sujet_463_1.htm
2nd image is in Strasheim & Hundleby - it's #543 (foreground), #505 and #503 (rear) at Finkelberg Training Area near Saarburg on 1 Oct 1918.
Charlie
-- Edited by CharlieC on Wednesday 17th of May 2017 01:27:45 PM
-- Edited by CharlieC on Wednesday 17th of May 2017 01:37:48 PM
-- Edited by CharlieC on Wednesday 17th of May 2017 11:59:35 PM