a scale of currency reckoned in French livres and used by the North West Company in their inland fur trade up to 1820, originally used by the French-Canadian traders.
1800  (1933)  I Sold the Grey Colt to La Rose for 100 lb G.P.C.
1804  (1897)  Men not so difficult to hire this year as last, when boaters for Lower Red River refused G.P.Cy. and milieux 500, with extra equipments.
1810  (1950)  [I] engaged Pierre Gignon to work at the House &c for 400 Livres G.P. Currency pro Ann. . . .