DCHP-1 Online
Grand Portage currency Hist. 
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.
See also: G.P.C. livre Michilimackinac currency North West Currency
- 1793 (1933) . . . the currency of the North west is double that of Canada which currency had its origine, I presume, from the men's wages being formerly paid in peltries and it was supposed that one liver's worth of Furs would be worth two livers to the person that took it to Montreal to be paid.
- 1930 Grand Portage currency was reckoned as twelve livres to the pound.
- 1933 Grand Portage currency was reckoned by units designated as G.P.C. Twelve of these units were equal to a pound sterling.
- 1793 (1933) . . . the currency of the North west is double that of Canada which currency had its origine, I presume, from the men's wages being formerly paid in peltries and it was supposed that one liver's worth of Furs would be worth two livers to the person that took it to Montreal to be paid.