MBOLE, Lomami region, Democratic Republic of Congo. Rare coin in the shape of a spearhead with a diamond-shaped blade surmounted by a small flat human head. In ancient traditions, it was used to pay the dowry at weddings. Once inserted on a long handle, the whole was planted in the ground in front of the bride and groom's house to show that the payment of the dowry had been made by the groom. 53x21.5 cm. Literature: Pages 274 and 275 "The perfect form", on the track of African tribal currency. Roberto Ballarini.