For 10 points, name this commodity that is acquired by skinning mammals.
The Scot Simon Fraser made his fortune trading this good. Men who worked in this profession in the Rocky Mountains often attended an annual Rendezvous from 1825-1840. Voyageurs often transported this good after it was harvested by independent (*) coeur de bois ("BWA"). Before they acquired a real estate empire, the Astor family made its original fortune by trading this commodity. Trade in this good formed much of the economy of the early French settlements in North America. Popular examples of this good in the modern day include mink and sable. For 10 points, name this commodity that is acquired by skinning mammals.
The Scot Simon Fraser made his fortune trading this good. Men who worked in this profession in the Rocky Mountains often attended an annual Rendezvous from 1825-1840.
furs [accept descriptive answers; accept skins until mentioned] &lt;LT&gt;