Text French. Fascinating study of the historic currency of the Congo, the shell of the sea snail Olivella nana, known locally as Nzimbu. The snail was harvested on Luanda Island. Includes an introductory chapter on the various uses of shells by the indigenous people of the Congo and Angola.249 pp., 96 text figs, 5 maps, 8vo, buckram, orig. wrappers retained. From an institutional library with a few neat ink / withdrawn stamps. Good. Bulletins et Memoires de la Socie´te´ royale belge d'anthropologie et de pre´histoire, Memoires Nouvelle Serie no. 1. [48911]