SONG DYNASTYThe compressed lower section freely carved with vertical ribs and foliage designs, the wide neck with further horizontal ribs, the flared rim shaped as six lobed petals, covered with mottled brownish-black glaze, 10.8cm wide.Cf. R Mowry, Hare's Fur, Tortoiseshell, and Partridge Feathers Chinese Brown And Black Glazed Ceramics, 400-1400, Harvard University Art Museums, 1996, p.173, no.60.