Bronze Age Gold from Wales

Dish, stoneware, circular with high sides and an indented base; the interior of the bowl is decorated with an ash green glaze, the interior rim of the dish is decorated with a series of concentric circles in a dark green glaze and the central reserve is circled by a wide border in a dark green glaze, four parallel grooves are impressed across the centre, the mid point on the exterior of the dish is circled by a groove that is incised with small vertical lines.