It’s a Kabosy

1993
AL#35 p.16   BRB3 p.386            read this article
Paul Hostetter                                                                                           

▪ The kabosy is a folk instrument from Madagascar. It comes in several body shapes, but always has a neck with the same layout of staggered frets, many of which don’t completely cross the fingerboard. It’s easy to build and fun to play once your eyes stop being baffled by the weird frets.