Catalogue entry no. 398 by Max Loehr:
398 Ornate Disk in Openwork
Olive-green and russet jade disk consisting of two zones separated by three openwork slits. The outer zone is decorated with plastic curls; the inner one, which is faceted, shows a finely engraved pattern of widely spaced, elongated spirals and striations, confined to the central facet. The design is the same on both sides. Shiny but not glossy surface. Late Eastern Chou.