The young man looked up and smiled at the middle-aged man. He wasn't bad-looking, with a mouthful of big white teeth that calmed the stall owner down by a third.,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.,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。