Bf110C, 1940. Splinter camou, Emblem visible - looks like I./ZG2. 3rd letter of code is probably black(or green), so it could be one of a/c of 2./ZG2 or Stab I./ZG2. Also, it seems that 1 victory tab on fin.
http://cgi.ebay.de/Org-Foto-Flugzeug...item2ea871fcb0
Two Bf110 in low alt flight over frontline. Date and location unknown.
http://cgi.ebay.de/Orig-Foto-Flugzeu...item2ea8764d48