He first looked at the shelf of porcelain. He just glanced at some things, but he picked up a few and examined them closely, shaking his head from time to time, occasionally nodding.,Moreover, many things are too valuable or sensitive to be shared with outsiders.,To say Zhao Xuan understands authentication is a joke. He doesn't even understand the jargon and runs to other people's stalls saying they're selling fakes. What kind of person does that。