Hello,
Currently on ebay are three photosof Friedrichshafen FF 33 aircraft
The first is a photo of Friedrichshafen FF 33 e serial 856, perhaps of I SFA taken from an unusual angle at:
https://www.ebay.de/itm/Foto-Libau-L...AAAOSwoyRgCwR7
The second photo shows a badly damaged Friedrichshafen FF 33 l serial 1126 at:
https://www.ebay.de/itm/Foto-Ventspi...wAAOSw87VgCwe6
The third, attractive photo shows a Seaplane tender and five FF 33,the serials that can be seen are FF33 e 529, 554 and 596 at:
https://www.ebay.de/itm/Foto-Ventspi...8AAOSwwbhgCwl4
Regards,
Clint