A Chinese Henan kiln black-glazed bowl, Song dynasty, 12th-13th century, of circular form on a circular foot with a waisted groove below the rim, covered in a mirror black glaze thinning to a speckled dark brown colour, the interior with russet-coloured splashes, the glaze to the exterior finished above the splayed foot to reveal the buff-coloured body, 'R&G McPherson Antiques, London, 23463' label, 17.3cm diameter Provenance: An English private collection. 宋十二至十三世纪 河南窑黑釉褐斑碗