The same photo is reproduced in Putnams Blackburn and was the only british military a/c to carry a five figure number, so presumably the location is at Blackburns at Brough and not Leeds (Olympia). The badge is Blackburn’s original badge.

John

Ian Allan, “British Military Aircraft Serials 1911-1971”, p.42
Serial Nos. 9951-10000, Qty. 50, Aircraft Type B.E.2c (90 hp R.A.F.), Remarks Built by the Blackburn Aeroplane & Motor Co. Ltd., Leeds