This AD20 by Andrew Demko features a satin finished blade with notched thumbrest, thumbhole and dual thumbstuds. The handle has a black G-10 frame with a tip up stainless steel clip and "Shark" lock release on the spine. Comes with original box. Excellent condition. Box says "Custom Build" on the side. It is marked "17-4 PH" on the inside of the backspacer.