A fine Qingbai measure, Southern Song, 1127-1289, With round lipped rim, decorated with a combed basket-weave pattern, flat unglazed base, 7.5 cm x 8.5 cm (rim), R & V Tregaskis (3037). See Qingbai ware: 'Chinese Porcelain of the Song and Yuan Dynasties', 2002, Percival David Foundation, cat no 93, pp174-175