Live treasure appraisal, congratulations to the big brother on his release from prison

Zhang Yang is an undergraduate student majoring in history. When he works part-time, he is packaged as a master and does live treasure appraisal.
The company originally just wanted him to help maintain the account and sell products, but gradually discovered that there was something wrong with this young man. Why did he act so professionally?
……
Netizen: "Teacher, please help me take a look at this bracelet. I bought it for 500 yuan."
Zhang Yang: "Here, put it under natural light and take a look...Brother, this is a beer bottle, it's made of glass!"
……
Netizen: "Teacher, can you help me take a look at this?"
Zhang Yang: "This is a cloth coin (Spring and Autumn Period and Warring States Period), where did you get it from?"
Netizen: "We dug it out from the soil. We have more than ten kilograms here."
Zhang Yang: "Oh, that's great. It should take five or six years to get started."
Netizen: "What? My phone is a bit stuck, I can't hear what you said clearly."
Zhang Yang: "Don't worry, it's nothing. The Internet police are tracking your IP!"
……
New book, please collect and read, the protagonist is no longer working for others≥﹏≤

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