A flat, irregularly shaped iron with circular depression. The object is corroded by rust and its original form and function are unknown. It was found in close association with a large anvil or grinding stone (GS 09-15), a circular iron disk (SF 09-370) and a distinctive pottery vessel (NK 09-787). This group of objects was located within an area (mound 6) that archaeologists interpret as a metallurgical workshop. Scale in cm. Width: 5.7 cm. Thickness: .2 cm. Weight: 9 g. Site Ngre Kataa. 4 July 2009.