With Liu Lao's voice, the outside suddenly took action, and after a while, a man and a woman walked in with their own things.

"Teacher, this is the tool you want. The two respectfully put the micrometer and a small and delicate high-precision electronic scale on the workbench, and Liu Lao said casually: "You two don't go first, wait a while, after I identify this ancient coin, you can start here." ”

The two young men had a happy look on their faces, and the girl in her twenties asked, "Teacher Liu, what treasure have you found?"

Liu Lao said with a smile: "I just discovered a medicine saint Li Shizhen's Qiankun magic sword, and now I have found a suspected genuine Great Xia Zhenxing Ancient Spring. Xiao Zheng, I'll let you see this kind of national treasure in a moment. ”

After speaking, Liu Lao didn't have the heart to pay attention to these two disciples anymore, but concentrated on operating the tools.

After a while, Liu Lao said excitedly: "It should be genuine! The diameter is 23 mm, the weight is 2.8 grams, the diameter is exactly the same as the real one of Libo, and the weight is slightly heavier 0.6 grams, but this is not a problem, the Daxia Zhenxing that was auctioned in 2004 is more important than this one." The key is that this Daxia Zhenxing should belong to the same model as Libo's!"

The two young men also came up and stood side by side with Yang Jing, Liu Lao continued: "Look at this Daxia Zhenxing, its copper is red, the money body is rusty and pulped, its rust is like armor, tightly wrapped in the money body, the rust is born from the bones, and the rust is recognized by the money, all of which are old things, and they are not modern forgeries. From the point of view of its casting, it is neat and dignified, the face is well dressed, the money is "big" from "too", and the real book contains rhyme. Typical features of calligraphy and basic shape tools that have been unearthed before. ”

Yang Jing asked, "Elder Liu, can you judge the authenticity of this copper coin from these aspects?"

Liu Lao said with a smile: "Of course it's more than that. The Great Xia Zhenxing Money was minted by Helian Bobo in the Great Xia Zhenxing period during the Sixteen Kingdoms period, that is, in 419-424 AD. During the Eastern Jin Dynasty, the Xiongnu nobleman Helian Bobo established a state in Shaanxi Province in 407 A.D. called 'Xia', and in 419 he occupied Chang'an and built Yuan 'Zhenxing'. Daxia Zhenxing money or cast at this time, the shape has the style of reckless money, and the internal and external outline is fine. Qian Wen's 'Daxia Zhenxing' four-character right-handed reading, for the half-subordinate and half-Kai real book style, the word 'big' from 'too'. Among them, 'Daxia' is the national name and 'Zhenxing' is the year name, which is the first time in Chinese history that the national name and year name have been combined on a coin, which has important historical significance. ”

"The diameter and weight of this coin are very in line with the characteristics of the real Xia Zhenxing, you look at the Qian Wen, this kind of real calligraphy gesture is open and stretched, and it has the rhyme of the book of the early Six Dynasties. Therefore, from the combination of rust color, shape, casting, and calligraphy, we have no reason to say that this Daxia Zhenxing is a forgery. ”

Liu Lao looked at Yang Jing again, and said with a smile: "Not to mention that this Daxia Zhenxing coin was taken out of the money sword brought by Xiao Yang, this sword light has been buried in the ground for more than a hundred years, in the late Qing Dynasty and early Republic of China, I am afraid that there is not such a high level of counterfeiting skills to make such exquisite fakes, right? If it is inferred from this, even if it is imitated according to the Ding spectrum at the time, its imitation is less than a hundred years ago, and in a hundred years, it is difficult for this imitation to enter the soil again and wait for people to dig it out and take it seriously. Therefore, it is not difficult to identify the authenticity of its pulp rust color, in a word, thousands of years into the soil pulp rust color, how can it be easily imitated!"

In the end, Liu Lao said in an accentuated tone: "There is no doubt that this Great Xia is really genuine!"

Although Liu Lao is engaged in cultural preservation technology, specializing in the protection and restoration of bronzes and bronzes, his own appraisal level is extremely high, if he does not have a good appraisal skills, he will not become a research librarian of the Palace Museum, let alone become a leader in the restoration and protection of bronzes and bronzes in China.

Now that he is so sure, the identity of this Great Xia Zhenxing can already be determined.

The girl from Xiao Zheng turned her head and asked Yang Jing in a low voice, "This Daxia Zhenxing is yours?"

Yang Jing nodded and said, "I bought two money swords from Pan Jiayuan today, but the rust is quite bad, so I asked Liu Lao to clean it up, and I accidentally cleaned up a Great Xia Zhenxing." ”

The other Xiao Zhao said, "How much did you buy this sword?"

"A thousand. ”

Now the Daxia Zhenxing genuine has appeared in the auction a total of four times, except for the one in 2011 that was auctioned for 1.01 million yuan because the condition was really a little poor, the other three Daxia Zhenxing can be auctioned for more than 150000 yuan. ”

Xiao Zheng next to him said: "That's right, in 2004, Daxia Zhenxing appeared at the auction for the first time, and it was directly auctioned at a high price of 1.657 million, in addition, at the auction in 2010, a Daxia Zhenxing was auctioned at a high price of 2.02 million, and the Daxia Zhenxing in 2014 was auctioned at a high price of 2.25 million!

"What are you talking about there, how can you talk about useless things?" Liu Lao suddenly scolded loudly, and Xiao Zheng and Xiao Zhao suddenly shrank their necks and heads like quails.

"I know all day long that I am worried about those blockages, these are all important treasures of the country, how can they be measured by money?" Liu Lao scolded again.

Yang Jing saw that the formation was not good, and hurriedly said in a muddy manner: "Liu Lao, don't talk about them first, can you see if there are other treasures in the remaining copper coins?

Cai Yi said angrily: "Stinky boy, what about mine?"

Yang Jing said with a smile: "There are all, they all, as long as there is Daxia Zhenxing in the remaining copper coins, you two elders will hide and play with one by one!"

Liu Lao turned cloudy and sunny at this time, and said with a smile: "You Xiao Yang, you are very angry......"

As he spoke, Liu Lao carefully picked up a black bronze coin on the desk, wiped it with a dry cloth, and began to brush it with a brush.

A few minutes later, Liu Lao stopped the movements in his hand with a sluggish face, Cai Yi looked at it, and also leaned up, but after glancing at it, the master was also stunned, as if he had seen something incredible.

Xiao Zheng and Xiao Zhao wanted to come over and have a look, but they were scolded by Liu Lao just now, and the two of them didn't dare to step forward.

Yang Jing didn't care, he smiled and took a look, and immediately shouted in surprise: "Damn! Don't say that this is a big Qi Tongbao!"

After Yang Jing shouted out in this voice, not only Liu Lao's office was messed up, but even the outside workroom was messed up.

PS: Bow and thank you for the tip of "Chilled Octave" 100.