Even numbered set 2-18. Clean, fine, no issues. Pitched at 55•. Good users every one. Birmingham ca. 1876-1908.

Hollows and rounds have a distinct advantage over all other dedicated moulding planes
in that they can be worked in either direction upon the same edge. No worries
about grain direction. A set of hollows and rounds along with a couple of other planes
can reproduce almost any moulding. They were offered in a range of bed angles called pitch
45° common
50° York
55° middle
60° half
Pitches above 50° are commonly called cabinet pitch and intended for use on cabinet grade
hardwoods which were left unpainted, therefore tear out would be unacceptable. Sets of
hollows and rounds typically range in size from 3/16" to 1 1/2" but there is no standard.