清或更早 玉琮 Of cylindrical form with square projections on four sides,carved with three registers of taotie masks,each comprised of two bands of incised lines and a smaller narrow band,each centered with a pair of 'eyes',all supported on a narrow base. Qing Dynasty period or earlier. Height: 3 3/8 in (8.3 cm) Diameter: 2 2/8 in (5.5 cm)