Hello,
Currently on ebay are two photos of AEG G.II G.23/15 named Sonnenvogel of FFA 30 at:
https://www.ebay.de/itm/Top-Original...8AAOSwC29fM708
https://www.ebay.de/itm/Top-Original...YAAOSwM0VfM73a
Jack Herris in WWI Aircraft Photo Extra which has further photos of this machine records that itserved with FFA 1. Given that both units served in Macedonia presumably it passed from one unit to the other?
Regards,
Clint