Hello,
Currently on ebay is a photo of Nieuport 23 A6796 of 60 Squadron at:
https://www.ebay.de/itm/Foto-erbeute...QAAOSwq7tgGRPQ
Also on ebay is a photo of a downed RFC Nieuport 23 A679* at:
https://www.ebay.de/itm/Foto-abgestu...MAAOSwwjRgGRbD
The same seller has a photo of a more intact Nieuport in German hands at:
https://www.ebay.de/itm/Foto-erbeute...EAAOSwsNlgGRWY
Unfortunately while the serial is shown on the aileron it is not legible.
Regards,
Clint