Two small Cizhou-type black glazed bowls with russet markings

Two small Cizhou-type black glazed bowls with russet markings
Northern Song/Jin dynasty
The larger bowl with straight sides that taper sharply inward to the carved foot ring and recessed base, the black glaze on the walls and well painted with matte russet stripes, the exposed fabric of buff color; the smaller bowl formed with a slightly inverted lip on the deep well curving inward above a well-formed foot ring, the black glaze showing russet 'partridge feather' markings on the interior, minute gray flecks and some russet patches on the exterior, the exposed fabric of pale gray-white hue (both chipped).
3 5/8 and 2 3/8in (9.3 and 6cm) diam. (2).