The Gouttière or Gutter, is originally from Burgundy.
It’s essentially an offspring of the Langres and gets its name from the shape of its bolster.
The grooved bolster reminds of a rain gutter, or gouttière in French.
It has a long and slender handle and pretty thin sheepsfoot handle.
It’s a typical utilitarian knife.
Find one on http://knives-of-france.com