AN UNUSUAL DUAN STONE BRUSH WASHER

AN UNUSUAL DUAN STONE BRUSH WASHER
QING DYNASTY (1644-1911)
Of irregular outline, the exterior carved in high relief around the sides as rough rock faces, with two undercut protrusions at one end, the interior and base roughly hewn, of dark color
4 3/8 in. (11.1 cm.) long, box