Hello,
Currently on ebay are the following photos of Bristol M.1C aircraft:
Bristol M.1C 80 Squadron
https://www.ebay.com/itm/Original-WW...IAAOSwwlVgRd3X
Bristol M.1C Possibly C5024 of 3 Fighting School
https://www.ebay.co.uk/itm/WW1-RFC-R...IAAOSwAblgRLns
https://www.ebay.co.uk/itm/WW1-RFC-R...YAAOSwVJBgRLvk
This seller has further photos of RFC/RAF aircraft at:
https://www.ebay.co.uk/sch/m.html?it...reyes2&_sop=10
Regards,
Clint