Northern Song Dynasty|With deep rounded sides supported on a short foot, covered under a lustrous black glaze suffused with a dense pattern of silver 'oil spots', thinning to the exposed biscuit foot dressed in dark brown tone, fitted box. 13cm (5 1/8in) diam. (2).|北宋 磁州窯油滴白沿盌Provenance: the Sze Yuan Tang collection, acquired in Hong Kong circa 1980s-1990s來源： 思源堂收藏，於約1980至1990年代購自香港Compare a similar black-glazed 'oil-spot' white rimmed bowl, 12th-13th century, in the Fujita Museum, Osaka, illustrated in Ceramic Art of the World, Vol.12: Sung Dynasty, Tokyo, 1977, p.256, pl.260. A related Cizhou white-rimmed black-glazed bowl, Northern Song dynasty, of similar form and size but decorated with russet streaks, was sold at Sotheby's Hong Kong, 1-2 June 2017, lot 419.The result of Oxford Authentication Ltd. thermoluminescence test no.P107j8 dated 4 April 2007, is consistent with the dating of this lot.