Where it comes from
English factories used “Rhodesian” in the early twentieth century for a bulldog bowl on a round shank. The name is the historical name of a territory, the way “Canadian” and “Liverpool” are place-names on a list — not a workshop in Harare. The point was the same bead lines and tapered bowl, with a shank that is kinder in the fingers than a diamond. Some makers still call it a round-shank bulldog.
The specification
Bowl: bulldog taper with beads. Shank: round. Stem: cut to the round shank. 463/25 is the Rhodesian in this cabinet, and it is not briar: the plate is morta (bog oak), smooth, grey-charcoal, with a warm burl band. Morta is fossilised oak, lighter in colour, a different density, still drilled as a pipe. We do not invent millimetres for that plate.
Why it sits next to the bulldog
Compare 463/25 with 381/23. Same family of ridge and taper. Different shank, different wood, different year. If you like the beads and want a round shank in the hand, the Rhodesian is the word to use when you write to the atelier.