Hello,
Currently on ebay are a series of photos of Italian aircraft of the Great War era and slightly thereafter includung this Ca.4 triplane
https://www.ebay.it/itm/296322969879...IAAOSw1qJmBD5S
and for those interested in serials Savoia Pomilio S.P.2 4391
https://www.ebay.it/itm/296322951943...0AAOSw0URmBDwe
Other photos can be found here
https://www.ebay.it/sch/i.html?_dkr=...%20squadriglia
Regards,
Clint