Questions answered

695 possible fonts.

1: Q shape
2: J height
3: P shape
4: $ style
5: Serif or sans-serif?
6: A vertex
7: W shape
8: W centre serifs
9: Text or display?
10: J tail
11: K junction
12: M verticals
13: G spur
14: g shape
15: Z serif
16: S top serif
17: j tail shape
18: e shape

Approximately nine questions remaining.

Does the centre vertex of the upper-case 'W' have serifs?

BothCentre serifs both sides.NoneNo centre serifs.
LeftSingle left-facing serif.RightSingle right-facing serif.
Not-SureNot sure.