Bronze

Bronze was a type of brown metal, used since the Bronze Age.

Coyn owned a bronze dagger and axe. (PROSE: The People's Temple)

George Litefoot thought that the time cabinet was made of lacquered bronze, but the Fourth Doctor recognised that it was actually made of fused molecules. (TV: The Talons of Weng-Chiang)

The Eighth Doctor wore a bronze pin on his battleship grey cravat after his regeneration. (TV: Doctor Who)

The War Doctor wore a bronze fob watch on his double-breasted waistcoats of moleskin. (COMIC: The Clockwise War; PROSE: Engines of War; TV: The Name of the Doctor, The Day of the Doctor)

Though constructed from Dalekanium, the casings of Dalek drones of the Last Great Time War and beyond were associated with bronze; a Dalek on ancient Earth became known as the "Bronze God". (AUDIO: Living History)

Hippopotamus guards wore bronze armour with rope to keep them standing when asleep, which kept them standing even as they slept. (WC: The Secret of Novice Hame)