China long ago mastered the ancient metal smelting technology, gold, silver, copper and so on, have served as the general equivalent, the media played a role of a currency. At that time, gold, gucci watches silver production very low, and copper mining and smelting relatively easier, the copper in the role of people39s lives more and more important, from the production tools, weapons, ritual worship to the daily life of the apparatus, are gradually been used to create copper. At this time, the currency of copper media along with its role of improving the quality of production and gradually expand. Into the Shang and Zhou dynasties, bronze products have reached a considerable level of fine, copper pieces, copper and other copper cake currency also appeared with Tony, gold, silver, valley, silk and other currencies in circulation at the same time. History records on the copper currency, as early as the Western Zhou Dynasty had a lot. Western Zhou bronze inscriptions Yi browser, there are many on the use of copper to reward, punishment or copper currency accounts seized. Zhou Wang, such as the bird |