Hello,
Currently on ebay is a photo of FBA Type H D6 of CAM de Dunkerque at:
https://www.ebay.de/itm/294343115658...MAAOSw3FphHPCu
Possibly this aircraft was FBA No.316
The seller also has photos of one or two other naval machines which can be found at the following link:
https://www.ebay.de/sch/Fotos-Briefe...ikgabi&_sop=10
Clint