哪些老粮票最值钱

Master Taiyi pondered for a few times and said: The two people you have met are both true teachers. Your master and I, not to mention your senior brother Guangchengzi, are also trustworthy people. In addition, the teacher is very fond of the two juniors who started a little later, Dao Xing and Qingxu. We are both familiar with each other, and they have the same intentions in teaching us....