Hello.
On 13.04.20 four more Brandenburg C.I photos from ebay:
Hansa-Brandenburg C.I (Ph) 27.59
https://www.ebay.de/itm/M31-Phonix-B...8AAOSw2d5elHDl
Hansa-Brandenburg C.I (U) 68.24 Flik 12
https://www.ebay.de/itm/M61-gr-Foto-...sAAOSwOmBelIkc
Hansa-Brandenburg C.I (U) 68.33
https://www.ebay.de/itm/M57-Kraxe-Uf...0AAOSwtElelIYJ
Hansa-Brandenburg C.I (U) 269.06
https://www.ebay.de/itm/M58-Ufag-Bra...MAAOSwm8telIZt
Regards,
Clint