Compare with a zitan box of similar form, sold in Sotheby's Hong Kong, 23 October 2005, lot 0319.

The design of the present lot feature zitan of superb quality. The rectangular box composed of openwork zitan plate outside another layer of zitan plate on the interior and huanghuali constituting the top and bottom. The openwork zitan rendered with decorative patterns of interlocking Wan patterns is connotative of longevity while simultaneously creating dimension. The well-polished wood is reminiscent of the Imperial standard as various wood mediums contain a different coefficient of expansion and contraction. Hence, only experienced craftsmen were able to successfully utilized different woods in the construction of a piece. The utilization of both huanghuali and zitan in the present lot is thus very rare and integral an element of gradual color change that greatly illuminate the magnificence of the woods. The present lot is indicative of the attention and time invested in the production of a scholarly works of art. The design of which is simple yet luxurious, classic and elegant.