Hello,
Currently on ebay is a photo of naval Fokker E.III LF.186 as flown by Ltn.z.See Gerhard Sachsenberg of the Marine KEK at:
https://www.ebay.co.uk/itm/WW-1-CRAS...IAAOSw3Rxe0OLU
Not sure if this one's been seen before, but thought it worth posting.
Regards,
Clint