A small green jade disc, yuanWarring States Period
Finely carved on both sides with evenly spaced spiral 'grain' bosses in relief between two raised bands at the inner and outer edges, the stone of pale grey tone with chestnut inclusions. 5.6cm (2 1/8in) diam.注脚戰國 青玉榖紋瑗

Published and Illustrated:
Roger Keverne Ltd., Summer Exhibition 2013, London, no.68

出版及著錄：
Roger Keverne Ltd.,《Summer Exhibition 2013》，倫敦，編號68

See related examples of jade discs, Warring States period, illustrated in the Compendium of Collections in the Palace Museum. Jade 3. Spring and Autumn Period and Warring States Period, Beijing, 2011, nos.63 and 115.

青白玉質，玉面滿雕規則榖紋，內外兩側略起凸棱，局部鈣化及褐沁。孔徑大於玉身寬度，即《爾雅·釋器》中所載之「好倍肉謂之瑗」。

參考北京故宮藏兩件戰國時期玉環，見《故宮博物院藏品大系玉器篇3》，北京，2011年，編號63及115。