秦代天地佑秦玉片組合件長度為103.5公分;寬為46.5公分;厚為1.1公分; 本器青玉雕琢, 形制為玉片組合件, 由上而下, 依次為蛇龜玄武, 神面出廓玉牌, 雙龍首璜對, 淺浮雕神獸紋玉璧, 玉璧左右兩側為龍鳳珮, 下方為榖紋兩玉圭, 兩玉圭之間有一玉鳳, 玉圭及玉鳳下方為雙龍首距形玉牌, 表面雕琢天地佑秦減地陽紋篆體天地佑秦, 距形玉牌之下為形成三足鼎兩玉牌, 玉牌表面飾矩形長形戰國風格 , 龍紋, 本器整體表現祭拜天地以庇佑秦朝之象, 氣魄豪放, 紋飾表面多處應用管鑽技法表現游絲毛雕; 本器刀工精美, 線條細膩婉轉, 紋飾佈置以玉器六器六瑞為主要內涵, 本器為珍罕秦朝玉雕重器 .古玉跡象有擴散暈沁色, 冰裂紋及差異風化等。(台灣頤和園博物館藏品, 陳明杰鑑賞並撰文)
秦辟邪玉跪人紋橢圓座陽刻篆文皇后之印, 高.5cm, 長6cm, 寬2cm,165g。本器青白玉雕琢, 印鈕為辟邪獸, 體形雄偉, 象徵皇帝至尊, 背上跪伏者嬌小象徵皇后之玉女, 楚楚憐人。印座呈橢圓形, 印文為陽刻秦代小篆皇后之印。古玉之跡像如石灰沁, 冰裂紋,擴散暈沁色一一具備。刀工細膩工整, 線條流暢, 此皇后之印是已知中國歷史上第一個皇后之印, 堪稱國寶中的國寶。
Seal of Empress of the Chin Dynasty (B.C.221-B.C.206), Measurement: H.7.5cms, W.6cms.Depth 3.2cm, 165grams
The seal is composed of three parts: The imposing pixie symbolizing the emperor, the lady kneeling on the back of the pixie, symbolizing the empress, and the oval stand for the scripts of the seal. The style of the scripts on this seal conforms to those of the Chin dynasty. Bronze seals ( around 2.2cm x 2.2cm) from the Palace Museum of Beijing‘s collection. Especially the last stroke of the seal character of this seal confirms the typical lining of 
the Chin calligraphy( petite sigillaire 小篆 ) style, in particular, the character of 皇, conforms to those found unearthed artifacts. The artifact consists of aging elements such as diffusive markings, deteriorate markings, cleaving veins, and differential weathering to prove its antiquity. Based on the carving and character styles of the jade seal and its antiquity of evidence, this jade seal is authenticated as a genuine Seal of the Express from the Chin Dynasty.
The title of Emperor and Empress were first appearing in the Chin 
Dynasty. This is the first Seal of the Empress in Chinese history which makes this seal an important artifact and its value is beyond description. According to History of the Former Han Dynasty(漢書), composed by Ban Gu(班固), First volume, List of High Ranking Officials of Royal Court(百官公卿表上): Zhan Shi詹事, Public official in the Chin Dynasty, Zhan Shi is responsible for the affairs of the empress and princes’ families. Beginning Learning Record《初學記》， compiled by Xu Jian(徐堅) in the Tang Dynasty, Volume 1 Inner Court Section (中宮部) Empress First (皇后第一) mentioned Chin had the title of Emperor, the first wife is called Empress. The Han Dynasty followed this system. This is the historical record to prove that the Empress title first appeared in the Chin Dynasty and the present Seal of the Empress is the physical evidence of this historical record.
The medium has been tested with GIA Duplex II Refractometer, and the refractive index is 1.61 spot reading. It is made of natural nephrite. The carving style of the mouth of the mythical animal is similar to that of the one of the Chin Dynasty. The low relief carving without openwork is unique and is different from the other periods(such as Shang and Han). In addition to the scientific evidence of antiquity, one-third of the object is fully calcified to form evidence that seasoned collectors should recognize its genuineness at a first glance( the one-eye item in the Chinese context). In terms of historical significance and rareness, the appraisal by taking the market approach, the Seal of Empress of the Chin Dynasty should be extremely valuable.
Provenance: The Palaceantique collection, USA
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, 3500 grams. 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.