Peristaltic bell

[Peristaltic bell]

Peristaltic bell, 8.5 cm in height, 6.5 cm in width and 0.164 kg in weight
This bell has a flat mouth, a semicircle button on the top, and the bell body inclines on one side, forming an unbalanced state. There is a tongue in the body, which can make sound when it touches the inner wall of the bell
There are two lines and four characters on the front of the bell:
Cheng Zhou
Wang Ling
It is marked as the bell for the royal family of Chengzhou (Luoyang).

成周铃-拓片