"Song Yu" Seven-String Qin

It is a Zhongni-style Qin.The whole body is black brown. The top of the Qin is slightly bowed and is made of Tung wood. The top is intalled with seven strings, and the Zhen feet are made of wood. One of the seven Zhens has been lost. The bottom is made of catalpa wood and has two holes alled "Longchi (dragon pool)" and Fengxiang (phoenix neck)". The head part of the back is engraved with two seal characters "Song Yu". The right inner side of the waist of Longchi" is engraved with regular characters: "made in the Ist year of the Jingkang Period", and the rightside is engraved with "repaired in Songxianguan". In the 1950s, it was identified by Professor Zha Fuxi, an expert of Guqin of the Classical Music Research Institute of China, to be a Qin of the Song Dynasty.