19th century. 24” length, finely forged with elongated leaf-shaped point. The edges alternately black hammer forged finish and bright tool finish with black curved fullers. Open seam round section socket. As with most Congolese tribes, the Mangbetu were slavers in East African trade which supplied the Arab countries, South America and the flesh market. That last, flesh for human consumption, had largely been ignored but for a few accounts like Glave (The Slave Trade in the Congo Basin, E J Glave, 1890). Recent anthropological studies assisted by the wealth of information compiled on the internet document a much greater proportion of the slave harvest to the cannibalism market. The Mangbetu specifically, are noted to be cannibals during the period.