Hello,
Currently on ebay is a photo of a Leveque Flying boat at:
https://www.ebay.it/itm/313826358055...IAAOSw4KRh14Ob
I'm not certain whether this is military or not.Although I suspect not. The same would apply to these photos of a Nieuport Floatplane:
https://www.ebay.it/itm/294707994521...MAAOSwoFBh14Oo
https://www.ebay.it/itm/313826359169...cAAOSwDvBh14Oj
As well s several photos of Farman Seaplanes,although there are naval personnel in several of the the following photos:
https://www.ebay.it/itm/294708032992...wAAOSwaI9h14ZR
https://www.ebay.it/itm/294707983657...gAAOSwX8lh14OS
https://www.ebay.it/itm/313826357476...AAAOSw9qRh14OW
But no military personnel in the Breguet Floatplane photo:
https://www.ebay.it/itm/313826358706...gAAOSwDtRh14Of
Regards,
Clint