1. Bought from Lai Yuan 來遠 and Company, in New York. For price, see Original Miscellaneous List, p. 192.
2. (Undated Folder Sheet note) Original attribution: "Ancient." See further, S.I. 881, Appendix VII (see Paragraph 5).
3. (Undated Folder Sheet note) Sp. G. is 3.019. Nephrite.
4. (Archibald Gibson Wenley, 1945) Chou [Zhou] 周 dynasty.
5. (H. Elise Buckman, 1964) The Envelope File contained no further information, and has now been destroyed.
6. (Thomas Lawton, 1978) Late Shang 商--Early Western Chou [Zhou] 周.
7. (Jeffrey Smith per Keith Wilson, July 8, 2008) Weapon and Armament added as secondary classification.
8. (Susan Kitsoulis per Keith Wilson, April 20, 2010) Object name changed from "Weapon: zhang 璋" to "Ceremonial object"; Title from "Portion of a chang [zhang] 璋" to "Forked chisel (zhang 璋), fragment."
9. (Jeffrey Smith per Janet Douglas, June 17, 2010) Nephrite added as modifier to existing medium of "jade" based on conservation analysis.
10. (Najiba Choudhury per Keith Wilson, August 15, 2017) Title changed from "Forked blade (zhang), fragment" to "Forked blade (zhang 璋), fragment"; and Period One changed from "Shang or Western Zhou dynasty" to "Late Neolithic period".
11. (Najiba Choudhury per Keith Wilson, November 28, 2018) Date changed from "ca. 2000-ca. 1700 BCE" to "ca. 3000-1700 BCE"; Geography changed from "Shenmu Shimao, probably Shaanxi province, China" to "China".
Description changed from "Chinese Late Shang--Early Western Chou Portion of a "chang" Long thin chisel-shaped object of the type "kuei;" diagonal sharp blade, and slightly flaring corners at opposite ends; circular perforation; brownish-black with shadowy under surface spots and streaks on each surface; satin smooth. Box." to "Portion of a chang; long thin chisel shaped object of the type kuei; diagonal sharp blade, and slightly flaring corners at opposite end; circular perforation; brownish black with shadows under surface spots and streaks on each surface; satin smooth. Acquired with a box, now lost."