A Chinese Yaozhou celadon conical tea bowl, Northern Song Dynasty (960-1127), a conical stoneware tea bowl covered in a misfired cloudy glaze, together with a Chinese linen-covered fitted box. Provenance: the de Voogd collection, the bowl 5 cm high, 11 cm diameter. A firing flaw of a glaze stick to the interior rim and misfired opaque glaze. Approximately 1060 gm total weight including box.