Johari - mineraux du Shaba Meridional.

90 full page colour illustrations of gems and minerals, interleaved on transparent paper and illustrated with line drawings, text and folding map, original black cloth, slightly fading to spine, slipcase, 4to., Published by Division des Relations Publiques de la Gecamines - Republique du Zaire, 1977)., (Belgium:, 1977
*** Not available on general release. Used as promotional literature for the Gecamines company based in Zaire. Rare.
Together with a Collection de Minaraux du Shaba – 24 samples of minerals with index laid-into purpose built wooden box, hinged lid, decorated carved exterior, 370 x 200x 65mm.,