Jar with Rouletted Decoration, 11th-12th century, 3-7/8 x 4-1/4 x 4-1/4 in. (9.8 x 10.8 x 10.8 cm), Tz'u-chou ware Stoneware with white slip and brown overslip with carved decoration under clear glaze, China, 11th-12th century, Over twenty decorative techniques were used at Cizhou and Cizhou type kilns throughout north China. Probably from Paofeng in Henan province, this jar is ornamented in the scraffito manner with an olive-brown overslip carved through to a white slip with a roulette creating bands of short oblique strokes in close-packed rows all under a clear glaze.