CONGO. LUBA TRIBE.1850 AD ca.CROSS OF KATANGA USED LIKE CURRENCYBRONZE 1038 gr. (36,3 oz) - 23x17x0,5 cm. (9x6,6x0,2 inch). A Katanga cross, also called a handa, is a cast copper cross which was once used as a form of currency in parts of what is now the