of pearl-string (lianzhu) type, the tapering body modelled with a gently convex upper surface with cusped edges along the neck and waist, the underside with two peg guards on one end, supporting the musical instrument with seven celadon jade tuning pegs and two circular celadon jade goose feet, the front inlaid vertically with thirteen golden studs (hui), the ridge (yue mountain) and brow (drew receptacle) set with a pale celadon jade panel, the tail similarly framed with celadon jade, the reverse with four apertures, a rectangular peg pool near the head framing the tuning pegs, a shapely ruyi-shaped dragon pool and phoenix pond, interrupted by an oval sound hole and the pair of jade goose feet, one incised with cranes and ruyi motifs, the other with petal lappets and circular markings, each stringing three or four of the seven silk chords, the front of the instrument decorated with traces of cranes and clouds against the lacquered surface, the evenly lacquered exterior detailed overall with circular markings simulating ancient 'prunus crackles' (meihua duan) and accentuated with 'serpent belly crackles' (shefu duan), finely inscribed on the unlacquered wutong interior with three main inscriptions visible through the apertures on the underside, an imperial poem eulogising the qin with a yuzhi mark in clerical script and a faint cinnabar seal mark seen through the dragon pool, the sound hole revealing a further inscription in clerical script dated to the autumn of the tenth year of the Qianlong period (1745), stating that the qin was made in Butongshuwu ['Replenished Wutong Library'] according to Qinding lulu Zhengyi [Imperial musical encyclopedia] followed by a cinnabar seal mark, possibly reading bide (‘virtuous [as jade]’), all above the name of the qin in seal script reading Xiangjiang qiubi (‘Clear Autumn Skies above the Xiang River’) visible through the phoenix pond, the tuning pegs attached with tassels