Hello,
Currently on ebay is a photo of Euler Rumpfdoppeldecker 14 Serie 2 B.46/14 at:
https://www.ebay.de/itm/224805702640...gAAOSwy9Rh7raV
Other photos of early war German B series aircraft can be seen in the LVG B.I thread or alternatively and including some Aviatik B types at:
https://www.ebay.de/sch/m.html?item=...gerei&_sacat=0
Regards,
Clint