秦國玉琮, H. 29cm, D.7cm, 3500g。 本器白玉雕琢, 属于中大型玉琮. 玉琮的四个平面系以阳线的如意云纹组合为图饰. 全器布满 ┐∫ Z形狀直式及横式如意云纹浅浮雕, 不但充满变化, 而且极富神秘感 . 本玉琮扩散晕沁色及包浆古玉跡象明显。Spring Autumn Jade Cong, H. 29cm, D.7cm, 3500grams. Carved with white jade, the object is a vertical cong shape form without horizontal section divisions unlike the other typical congs from Liangzhu Culture to the Warring States periods. On each plane, square style low relief auspicious cloud motifs are decorated. In addition, many ┐∫ Z shape symbols are scattered around to increase the effects of mystery of the meaning to be represented. Antiquity evidences are diffusive markings and calcification.