The Langres knife gets its name from the eponym city, Langres, in eastern France.
Its origin can be dated to the end of the 16th century, but since 1900 in its current form.
It can be considered as the French equivalent of the boy’s knife with its rather small size and sheepsfoot style blade, it was traditionally given to boys for their religious confirmation, around 12/14 yo, which marked the end of childhood.
It’s a simple slipjoint, with traditionally a round handle with a single but strong top bolster and a sheepsfoot blade.
The handle can be of various materials: horn, synthetic or wood.
The size can vary, but it’s rather small
A utilitarian knife, easy to slip in the pocket.
Find some on http://knives-of-france.com