A Rectangular Duan Ink Stone, is carved with smoothly polished grinding surface inclining into a troughed inkwell, framed on the three sides with finely incised key-fret pattern, with a hardwood cover. Dimensions: 2.36"h x 6.10"w x 8.26''l (6cm x 15.5cm x 21cm) Provenance: Property of Kobijutsu KenShuDo, Japanese Osaka Estate Antique Company.