A bamboo veneer ruyi inscribed with a poem by Emperor Qianlong was included in the O.C.S. exhibition, Arts from the Scholars Studio, 1986 and illustrated in the Catalogue, fig. 121. Compare also a bamboo veneer ruyi inset with jade plaques in the Palace Museum Collection, Beijing, illustrated in The Palace Museum Collection of Elite Carvings, Beijing, 2002, p.87, no. 55.