Hello,
Currently available onebay at :
https://www.ebay.de/itm/10098-Aviati...IAAOSwSCZeUVaV
is a photo of an Albatros B.I. Admittedly this photo is a reproduction, but interesting to mind has it has the serial number on the aileron. However, its not completely clear whether this is 827/14 or rather B.27/14 and both serials were used on Albatros B.I machines.
Regards,
Clint