戰國玉璧, Warring States Jade Bi, D.12cm

本器白玉雕琢, 形制為三層玉璧, 最內層為三羊角所形成之三叉體, 其內涵為三羊開泰. 第二層及最外層為戰國特色之神面, 龍鳳, 如意紋淺浮雕. 古玉跡象主要為鈣化層. Carved with white jade, the object is a jade bi consisted of three layers. At the center is a structure of three heads of goats with the heads overlapped and the horns separate to signify the meaning of prosperous scene created by three suns( in Chinese: 三羊開泰). The two outer layers are decorated with low relief motifs of god’s face, dragon and phoenix. Withe mastery workmanship, the bi is well carved with antiquity evidence of calcification. Warring States of similar  motifs and carving style are shown here to compare.

Warring States Jade Bi 戰國玉璧

Warring States Jade Bi D.16.5 cm

Carved with pale tone Hetian jade, this Warring States jade bi composes three sections: At the center is a dragon, surrounding the dragon is the section of low relief crop motif, at the outer ring is also the area showing low relief crop motif, at the top and bottom are god’s face. On the right hand side and left hand side there is a phoenix attached on the edge of the bi. This bi is of mastery workmanship with calcification evidence of antiquity.

漢代黃玉璧, Han Dynasty Jade Bi, D.19.5cm,T.0.8cm

160826012942-black-hole-breakthrough-lee-pkg-00002217-full-169本器黃玉雕, 雙面飾穀紋, 穀粒高聳, 刀法犀利有力, 玉璧外緣壁面刀法特殊, 狀似刀削, 古玉跡象為擴散暈沁色及鈣化.Carved with yellow tone Hetian jade, this bi is decorated crop sprouts on both sides. The edge of the bi has sharp angle with multi-level planes which is quite different from single level plane. This fact may reflect the advancement of harder tools and more skillful technique of the Han Dynasty. Still_2018-02-22_223243_60X_N0010 Antiquity evidences include diffusive marking and differential weathering.Some researches believe that the ritual jade bi relates to the celestial body  such as the black hole (image of lower left is one scene of the black hole published in internet.).

Appraisal Indexes:
1. quality of jade: 10
2. rareness: 9
3. historical and cultural significance: 9
4. workmanship: 9
5. size:10
6. condition: 10