Fur trade Russia exported raw furs, consisting in most cases of the pelts of martens, beavers, wolves, foxes, squirrels and hares. Between the 16th and 18th centuries, Russians began to settle in Siberia, a region rich in many mammal fur species, such as Arctic fox, lynx, sable, sea otter and stoat (ermine). In a search for the prized sea otter pelts, first used in China, and later for the northern fur seal, the Russian Empire expanded into North America, notably Alaska. From the 17th through the second half of the 19th century, Russia was the world's largest supplier of fur. The fur
Marten was typically fashioned into mittens. The marten is still traded locally. The locals place a high value on this pelt, typically trading it for consumable goods. In the Middle Ages, marten pelts were highly valued goods used as a form of payment in Slavonia, the Croatian Littoral, and Dalmatia. The banovac, a coin struck and used between 1235 and 1384, included the image of a marten. This is one of the reasons why the Croatian word for marten, "kuna", is the name of the modern Croatian currency. A marten is depicted on the obverse of the 1-, 2-, and 5-kuna