7 inspired costume
Dark brown/black jacket/blazer one size too big.
Black/darkly patterned trousers.
White long sleeved shirt worn under a Plain Lazy “Make Tea Not War” or similarly sloganed shirt finished with a red waistcoat with screen accurate paisley hanky or other hanky in the top pocket.
Accessories of a question mark handled walking stick, a gold pocket watch on a chain (with innards scooped out and replaced with those of a working digital watch), 4’s scarf or a brown red scarf, a red/black/brown tie, 4’s sonic screwdriver/any sonic screwdriver, 10’s coat.