A bi disc in green-brown jade with beautiful age patina

Description:

China, early Han dynasty or later
D. 17 cm
Thick and solidly crafted Bi with a thickness of 1.2 cm with a beautiful patina and natural signs of ageing.
Collection Dr Otto Schwend (1892 - 1951), sold by his family from his estate at Van Ham, Köln, 4.12.2014, lot 48 and bought by the current owner and sold now from his estate - Apart from a few small chips in fine condition