China's earliest imperial jade seal found in Shaanxi Province

A photo taken on June 30, 2016 shows China's earliest imperial jade seal, which has been found in northwest China's Shaanxi Province. [Photo: Xinhua]

China's earliest imperial jade seal has been found in northwest China's Shaanxi Province.

According to preliminary analysis, experts believe the seal with a dragon figure on the top was the official seal of a tribal leader in the early period of the Western Zhou Dynasty (c. 11th century-771 B.C.).

Experts further explain that the seal contains four graphic characters divided by a cross grid, which may refer to "dragon", "deer", "tiger" and "eagle".

And a Bronze gui has also been excavated from the tomb of from the Western Zhou dynasty along with the seal.