Dalek Supreme Type A

A distinct model of Dalek casing was identified by the Time Lords (PROSE: Dalek Combat Training Manual) as being used by the Dalek Supreme who oversaw the Mechonoid Incident as well as the Daleks' master plan leading to the Time Destructor Incident. (TV: The Chase, Mission to the Unknown, The Daleks' Master Plan)

Characteristics
By the time it ordered the execution of the First Doctor, the Black Dalek Leader operated a predominantly black casing with a silver middle section now with slats and blue sense globes like its silver Dalek subordinates. (TV: The Chase) Similarly, a bronze-type Imperial Guard Dalek in the aftermath of the Time War was predominantly black with a bronze middle section. (TV: The Parting of the Ways)