Salut Franck,
http://www.ebay.de/itm/Foto-Negativ-...item35c8d2bff8
A very fine shot of a whole Staffel mustering a mix of Bf 109 G-4's and G-6's, even with the Bf 108 Staffel hack on the far left... Time is Spring 1943, place might well be France; JG 2 (?).
Cheers
Marc