Antique Chinese Hetian jade 'tadpole pattern' 'dragon' disc bi,Warring States,diameter 17.7cm,width 21cm.Grain pattern is a type of traditional decorative pattern, which is a type of decoration on jade, shaped like the inverted letter e. The grain pattern first appeared in jade artifacts during the Spring and Autumn period, and by the Warring States period, it developed into a comma like character, resembling a tadpole with a tail, hence it is commonly known as the tadpole pattern too.For size details ,please check the mark on our pictures.Payment:We accept wire transfer and Paypal.Shipping: UPSShipping fee paid by buyer.Any questions please contact glenbowcanada@outlook.com Wechat: Glenbow