West African Manilla Currency :价值产品
African Manilla Currency Brass Bracelet shape
Iron money known as Manillas are from West Africa before the colonial days and varied in size and shape and designs and valued according to weight,and also by the sound they would make.
In 1505 One Manilla would buy you an elephant tooth or 10 manillas would buy you a slave.
Iron money was still in use till second world war and in 1948 the British recalled and melted over 32million manillas in exchange for their British Colonial coin currency.