A Yaozhou six-lobed flower-form teabowl, Jin Dynasty, 1115-1234, covered with an even russet glaze, the inner wall divided by six vertical ribs, supported on a tall foot, 6.2 x 10.8 cm (variable), fitted box. Provenance: R & V Tregaskis, 16/7/2003. See 'Masterpieces of Yaozhou Ware', the Museum of Oriental Ceramics' Osaka, 1997, cat no 48 for an almost identical bowl (from the Tokyo National