Chapter 409: A little expert in fighting against counterfeiting, kicking stones to burst the snake's head

"who are you?" Old Liu looked at Stanley Du and asked. "As for me, I'm Brother Chu's friend. Can you let me have these two treasures of yours?"Stanley Du said with a smile. "Haha, you young boy, do you understand jade?" Old Liu said with contempt. When it comes to appraising antiques, the older you are, the better your skills. Stanley Du is very young, so it is normal for Lao Liu to look down on him. Even Old Man Zhang didn't have much confidence in Stanley Du's level. "I know a thing or two...