African pre-coinage metal currency takes many unusual forms. One type, commonly called “throwing axe currency,” takes the form of a blunt, ceremonial hatchet or axe.  Another type takes the form of a curved knife and is often called “throwing knife currency,” and these objects may actually have served a functional purpose as a weapon of warfare and/or as an agricultural tool; … [Read more...] about African Metal Currency: Researched and Conserved by Al Thompson