u tongbao each money bureau on the back of the total number of different versions, the size of the star, month, day, location, collocation, and the so-called qianzi text and other changes in the number of forms of expression, I am afraid that no book can have a complete record. Good, the collection history of ancient coin is a record that discovers ceaseless and ceaseless complement ceaseless perfect ceaselessly ceaselessly, in coin lover ground search and collecting, increasing content in succession, north song coin is so, chongzhen tong bao is so, a lot of ancient COINS are such. Guangxu TongBao charm, absolutely no less than the consort zhen, jin's wife, it is because the people neglecting to guangxu TongBao collection of and study on the solution of the taste is very thin, is often a hot collection, also caused the guangxu TongBao collection and research of large gaps, is indeed a problem should be solved.