Two 'Jian' russet-glazed tea bowls Song dynasty, comprising a bowl with deep rounded sides covered overall with a brown streaked black glaze with russet hare's fur streaks extending from below the everted rim; and a conical bowl with everted rim, covered inside and out with a rich russet glaze thinning towards the base to reveal the black glaze beneath, the glazes falling short of the foot to reveal the dark stoneware body of each, (2), 12 cm diameter; and 10.5 cm diameter