Green jade fish-shaped knife

[Blue jade fish-shaped knife]

Blue jade fish-shaped knife, Shang, 7 cm long, 0.9 cm wide and 0.3 cm thick
It is made of sapphire, with black spots in the jade, and has been soaked into brown green. The whole vessel is fish-shaped, semi-arc-shaped, with fish-eye intaglio. The fish mouth is represented by a pair of small holes, and the upper lip is upturned. The head and body of the fish are separated by an arc line. The fish body is carved with scale lines with oblique Yin lines. The tail is in the shape of a blade, similar to a carving knife