Jin dynasty, according to collector's inventory With lustrous black glaze, and patches of iron colour in the inside, unglazed centre to the interior Dimension: 20.5cm diameter / weight 570g Condition: No visible damage, repair, crack, chip or restoration. Some manufacturing faults pinholes and imperfections in places Provenance: Purchased from Moongate, Singapore, the 16 April 1992 Inventory: P852