According to historical data, in the first year of Jiaotai (the fifth year of Xiande), that is, in 958 AD, Zhongzong Li Jing cast "Yongtong Spring Goods" big money, with one as ten. There are two kinds of money scripts: subordinate and seal, and the writing is excellent. Lishu (eight-point book) is thick, well-casted, and the handwriting outline is regular, with broad edges, narrow edges, and thick and thin characters. The "Yong" character in the official book of "Yongtong Spring Goods" in the collection of the National Museum is composed of two waters, also known as "Yong" of two waters, and the lower part of the spring character is vertically hooked to the right. The seal script is later than the official book, the shape is thin and small, and the weight is not as good as the official book. In the early days, there were only records, but there were no actual samples and no catalogues. Although there are physical discoveries later, it is also very difficult to see, and has always been listed as ten treasures of ancient money in the past dynasties.
Yongtong Spring goods and its official book money and wide edge, narrow edge and fine words, fine words. Yongtong Spring goods minting period is only about half a year, so the minting amount is not large, and now the amount of the world is even less, the coin handwriting is clear, the overall black lacquer ancient pulp, the surface with green rust, for the door of the old coin. Cast by Li Jing of Zhongzong of the Southern Tang Dynasty, the narrow edge version of the official book, the slurry is mellow, the casting specification is round, the casting is exquisite, the chapter is smooth and delicate, the text is clear and straight, the strokes are smooth and strong, the money body is smooth and uninjured, the wheel Guo is heavy, the meat is good and Zhou Guo, and it is an extremely rare great honorary product.
Black lacquer ancient, refers to the long-term storage of bronze in the atmosphere corrosion mechanism analysis copper, bronze, brass in the atmosphere are very stable, generally less than 000015 mm years, a layer of extremely stable protective film will be generated on the surface of copper, mainly basic copper sulfate is olive green, but also produce copper oxide (cuo) black, cuprous sulfide black, and stannous oxide (SNO) brown black, the older the rust layer thickens and the color becomes darker, commonly known as "black lacquer ancient".
If the economy is not good, it will issue a large amount of money with a fictitious value, which is probably the meaning of eternal circulation of money, and there are two kinds of money, the eight-point book of the official book, with a diameter of about 40 mm and a weight of about 13 grams, and the diameter of the seal book sample is about 31 mm Lishu's Yongtong spring goods, a piece to about 150,000, and the seal book is about 200,000, more than it is Yuanzong Li Jing after the destruction of Shu, the cast of Baoda ingots back to the sky, some people say that this is when Chu civil strife, Chu King Ma Xicao surrendered to the Southern Tang Dynasty cast in the Southern Tang Dynasty coinage.
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