Catalogue entry no. 393 by Max Loehr:
393 Large Disk
Clouded, translucent grayish green stone with variegated light brown markings on one side and large areas of dark brown and grass-green on the other side. Except for the slightly calcified areas, the surface, which is almost perfectly even, is polished to a high gloss. The perforation is imperceptibly conical. The relief curls form nearly straight rows intersecting at angles of 60 degrees. Where the rows cut into the raised inner and outer borders, an incised semicircle takes the place of the plastic curl.
Encircling the entire rim is an inscription in minutely carved seal characters. It consists of a poem of seventy words in praise fo the object and a signature and date, followed by a seal: Ch’ien-lung, ping-hsü, meng-ch’un-yüeh, yü-t’i; Ku-hsiang (Ch’ien-lung, ping-hsü year = 1766, “first month of Spring, Imperially inscribed, Flavor of Antiquity”). Late Eastern Chou.