Lao Si, hearing Zhao Xuan's question, instinctively wanted to get angry, but remembering what Liu Zhuangguan had just said, he snorted coldly and replied unhappily:,In the antique business, one typically favors those who are related over strangers.,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。