(This costume verges on science fiction — a preview of an egalitarian future in which women take on a traditionally male job — while simultaneously looking back to the late 18th and early 19th centuries for style elements in the same way as a footman's livery of the era!)
Black satin quilted skirt; maroon double-breasted tail-coat, brass buttons; black waistcoat showing beneath the jacket in front, and lace ruffles; hair powdered; tricorn black and gold hat; gold-headed cane in hand.
Source: Holt, Ardern. Fancy Dresses Described, 5th Edition. London: Debenham & Freebody, 1887.