CHINA ZHENG LONG 1 cash 1156-60 AD


CHINA, JIN Dynasty, 1115-1260 AD, 1 cash, no date (1156-60 AD), Obverse: ZHENG LONG TONG BAO, bronze, 25mm, 3.39g, H18.40, S1083, VF+

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Jin dynasty was a line of rulers of the non-Chinese state to the north of China between 1115 and 1234. As the various groups up there sorted out their political differences rebels against the Liao dynasty consolidated their dominant position and became the Jin. Jin Emperors were constantly at odds with the Song dynasty in China, eventually taking the northern half of China and driving the Song south. Jin was destroyed after the Mongols, who had been their weak vassals, united and attacked. 23 years later Jin was no more.

This category is non-Chinese northern and western kingdoms, including Liao (Khitan Turks), Jin (Jurched) who conquered northern China, Xi (Western) Xia (Tangut, their civil administration had some proto-Marxist characteristics, and the Mongols before Chingis Khan. The Mongol Yuan Dynasty in China, built by war, mishandled peacetime and broke up in the face of native rebellion.

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.