Lot Essay
Ivory plaques such as the present example were used to identify the key to a room where a specified group of objects was to be found or identify an object or its location within the palace. They were usually attached to objects by a cord, such as the example illustrated in The Forbidden City, Rotterdam, 1990, no.76, p. 225, which is still tied to the original jade seal for which it was made. Compare a closely related example, dated 18th/19th century, sold in our London rooms, 9 November 2010, lot 115.