Hello,
Currently on ebay is a photo of the King of Bavaria during an inspection with an Aviatik C.I in the foreground and next in line a Albatros C.I
https://www.ebay.de/itm/186237792006...0AAOSw9WFllv4V
The same seller has a inverted Albatros B.II
https://www.ebay.de/itm/186237793390...EAAOSwb2tllv~I
Also tonight a Fokker D.VII possibly from a naval unit
https://www.ebay.de/itm/355344108629...sAAOSwHz5llXW9
Regards,
Clint