Vintage solitaire game in malachite, African work, 1960s-1970s.

Beautiful solitaire board, round, made of natural Malachite stone mounted on a cement base, with fine silver metal threads. Complete, with 37 Malachite balls. Handcrafted in Africa, probably Congo, vintage from the 50s-60s. 19cm in diameter, approximately 1cm thick. In good overall condition, with a few discreet small marks of time on the stone and the edge, visible in the photos. Approximately 680g for the board + approximately 70g for the balls.