2009 Atherton MacDougall reproduction in African blackwood. This set features threaded, hallmarked, and engraved sterling silver ferrules, ringcaps, tuning slides and mouthtube. The projecting mounts are made of antiqued art. ivory. African blackwood hemp stops. As always, every single piece on this instrument is threaded for a lifetime fit. There are 54 threads that are completely hidden by the time the instrument is finished.