Guangxu wing is one of the circulation of the qing dynasty emperor guangxu years. By the hubei province of guangdong governor zhang zhidong takes the lead in the introduction of the British COINS casting silver and copper coin machine, after the provinces to emulate. A total of 19 ShengJu casting, in addition to the central fact, provincial cast copper coin, both on the front edge engrave name write province. Guangxu wing is high-value currency circulating qing guangxu years, is one of the first printing of money in circulation, the introduction of foreign technology in our country to today also has a certain historical significance. Guangdong province made guangxu silver piece in the history of modern Chinese machine COINS belong to a big series, the casting period lasted very long (from the guangxu 22 years guangxu 34 years  1908), after more than ten years, coin change several times, even if the same year also often since repairing mold, material, technology, factory management, and many other factors, causing abnormal bottle multifarious.
Guangxu issued piece 1898-1907, coin casting with inscriptions, the top casting regular script "XX province made" or "coin factory", at the bottom of the casting monetary value such as "library flat seven money dichotomy", center direct reading "guangxu silver piece" four words, currency center for the manchu "guangxu silver piece". Silver on the back of the outer ring at the top of the small English standard font inscription "XX province made" or "coin factory", the following into English monetary value, the inner ring with center of panlong figure, appearance is delicate, its unique aesthetic style. COINS are small, also can glimpse into the social culture.
In qing dynasty for circulation exchange line when convenience, officer cast a lot of face value is more than a two silver cast money actual weight for the library draws seven binary circular silver format. Such as e qing silver ShenJi word library even two, guangxu emperor yuan treasure even two and thirty years of guangxu in hubei province to build guangxu yuan treasure even two, sino-foreign TongBao even close the silver one or two, and so on, all have the actual weight for one or two type and heavy flat seven money circulation of binary circular two formats. Heavy money library flat seven binary one round coin actual weight is about 26.7 g, the diameter size of 39 mm, 2.5 mm thickness. The version of the casting mould is different from the actual weight even two edition, only pay as a flow rarely, only a few. Positive guangxu "wing" and all text strokes with dot shape memorization, do not affect text composed air of calligraphy.