"Tian Juan Bao Tongshu's Needle Breaking Two in Jin Dynasty" was unearthed in Henan in his early years. It was originally a collection of famous spring artists and has been recognized as a treasure of ancient coins by academic circles. It is the only physical object in the spring spectrum. The coin diameter is 30mm, the thickness is 1.7mm, and the weight is 7.5g Qian Wen's calligraphy is beautiful and handsome, with a good foundation. Exquisite casting, warm copper color, standardized modeling and mature patina. The coin surface is slightly deeper, the back is slightly shallower, and the mouth is clean and tidy, which fully conforms to the characteristics of the times at that time. It has an important demonstration role in casting money in Jin Dynasty. The other one invested in "Tian Juan Yuanbao".
Collection value:
Only three works by Tian Juan Bao Tong are known. They are ancient treasures. In 2007, Jia Dechun photographed a piece of Bao Tong in Tian Juan, and the transaction price was 1.344 million yuan.