comprising four rectangular jade plaques of translucent celadon-white colour with faint inclusions between zitan covers of dark reddish-brown colour, the front cover carved with a raised vertical rectangular cartouche to imitate a label, enclosing an incised six-character inscription filled in with gilt reading Yuzhi Jiedetang Ji, surrounded by a luxuriant scene of floral buds and blooms borne on gnarled leafy branches, all issuing from jagged rockwork forming the lower border of the cover, the back cover similarly decorated with a lush floral and foliate scene, each wooden panel framed with a raised border, the front side of the first jade plaque gilt-decorated with a pair of sinuous dragons flanking a central rectangular cartouche enclosing Yuzhi Jiedetang Ji, all above crashing waves and jagged rockwork, the reverse and following six sides incised with an inscription by the Qianlong Emperor drawing on the Three Precepts of Confucius, the concluding page with a further dragon soaring amidst ruyi clouds and chasing a flaming pearl above tempestuous waves and jagged rockwork, all mounted in a bright yellow silk brocade frame