A jade ritual Bi disc from the ancient Sino-Siberian culture. Second millennium BC. Qijia culture The Qijia culture (2200 BC – 1600 BC) was one of the early Bronze Age cultures distributed around the upper Yellow River region of Gansu and eastern Qinghai. It has always been regarded as one of the first bronze cultures in China. In good condition. It has been not cleaned , the nice patina is preserved. Original, ancient, hand cutting, carving, boring and grinding . Traces of use and age on its surface. Purchased in 1994/Budapest by Dr. Zelnik from the collection of a former ambassador in Mongolia, H.E.B.I. Important information : The seller guarantees that he is entitled to ship this lot. Due to the complicated Cultural Laws we will not be able to ship this item outside of the EU nor to the United States. Provenance : This item comes from the collection of Dr. István Zelnik, resulting from more than 50 years of collecting. Former diplomat, Asian Art collector, Researcher. Publications : More than 20 essays on Southeast Asian politics and economy. Co-author of 10 albums and books on Southeast Asian Art.