1. Bought from Tonying and Company 通運公司, New York. For price, see Original Miscellaneous List, page 238.
2. (Undated Folder Sheet note) Original attribution: Han 漢. See further, S.I. 1070, Appendix VIII. (See Paragraph 6)
3. (Isabel Ingram Mayer, 1945) Late Han 漢 dynasty (?). Derived from combined ku pi [gu bi] 穀璧 and p'u pi [pu bi] 蒲璧 types, see Folder Sheet F1939.14, note 3, for discussion of type. This may be a Ch'ing [Qing] 清 dynasty reproduction of Han 漢 type.
4. (Undated Folder Sheet note) Sp. G. is 2.903.
5. (H. Elise Buckman, 1964) The Envelope File contained no further information and has now been destroyed.
6. (Thomas Lawton, 1978) Attribution changed from "Late Han 漢 dynasty (?)" to "Han 漢 Dynasty." The incised design on the outer zone of the pi [bi] 璧 is related to that on some Han gilt bronze vessels such as F1918.153 both in style and in subject matter.
7. (Jeffrey Smith per Keith Wilson, July 8, 2008) "Ceremonial Object" added as secondary classification.
8. (Susan Kitsoulis per Keith Wilson, May 6, 2010) Title changed from "Ritual disk, Bi 璧" to "Disk (bi 璧)"; Object Name from "Disk (bi 璧)" to "Ceremonial Object."
9. (Jeffrey Smith per Matthew Clarke, July 8, 2022) Medium changed from "Jade" to "Jade (nephrite)."
10. (Najiba Choudhury per Keith Wilson, June 7, 2023) Title changed from "Disk (bi)" to "Disk (bi) with raised hexagons arranged in a grid and interlaced birds"; and added Chinese Translation by Jingmin Zhang.
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