A guy in France has an odd iron crucifix for sale on eBay, even odder is the description:
'A Kongo Nkangi kiditu crucifix. Christ figure with arms splayed, oval head, grinning in a slightly undershot pout, tilted to the side. Three praying with folded hands, are at the center of the side branches and the lower. H: 10in Collection of the Institute of National Museums (IMNZ) in Kinshasa Published in "Zaïre, peuples, arts, cultures" Joseph Aurélien Cornet 1989 p. 331 'He can send you the book too if you don't believe it. Note this is listed as original object not a museum reproduction. This dealer's comments shows a whole string of private sales.
hat tip Dorothy Lobel King