TANG Dynasty, KAI YUAN TONG BAO, iron

$55.00

CHINA, TANG Dynasty, 618-907 AD, 1 cash, no date (792-907 AD), Obverse: KAI YUAN TONG BAO, Reverse: inner and outer rims, iron, 24mm, 2.98g, H14.10, S406, VG

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Description

Kai Yuan was the main Tang dynasty coin type over three centuries. Iron was not used much for coinage by the Tang government. In Sichuan province they had more iron than copper, so iron coins tended to be made. Hartill cites a Chinese reference that they were also made in Hebei, which used to be called Zhili (Chihli).

The Tang Dynasty is considered to be a cultural and political high point of Chinese culture. The borders of the country were expanded, especially to the west, and the regulation of commerce and some centuries of domestic security produced long periods of prosperity and the flowering of culture and science.

The oldest Chinese coins are at least as old as the earliest Greek coins. The Chinese coinage system differed from other systems in two ways. It was monometallic, only bronze coins circulated in general commerce. Gold and silver were treated as commodities. And the manufacturing method was by casting in moulds rather than by striking heated solid planchets. The main reference I use in attributing and describing these coins is the book: Chinese Cast Coins, by David Hartill.