战国（公元前475-前221年）
长3.3厘米 宽3.3厘米 高1.1厘米
    白玉质，覆斗钮。文字镌刻精美，为白文“长平君相室鉨”六字。此玺为一枚战国时期的官玺，长平君是人名，相室是职官名。人名与职官名连署，在古玺中非常少见，极为珍稀。周叔弢先生捐赠。
Seal of the House of Excellence in Embodying the Noble
Warring States period(475-221 BC)
Jade seal
Height 1.3cm, Length 2.2cm, Width 2.2cm

This seal is made of white jade and features a fudou knob. The intaglio text is beautifully engraved. It reads “seal of the House of Excellence in Embodying the Noble”. This is an official seal from the Warring States period. Chang Pingjun is the name of the seal’s owner. And Xiangshi denotes his rank. This piece is very precious as it is extremely rare to find a personal name alongside an official rank on an ancient seal. Donated by Zhou Shutao.