The alloy is ~ 54% copper (it is even possible up to 70%), 38% lead, 8% tin.The alloy is ~ 54% copper (it is even possible up to 70%), 38% lead, 8% tin.
说明:
Knife coin by the Qi Dynasty (400-220BC), length is 62 mm, width is 15 mm, thickness is 2 mm, and weight is 9.7 g.
