This Norseman (#4534) by John Grimsmo features an acid tumbled blade with a single titanium thumb stud, notched thumb ramp and flipper. Distressed ble anodize finished and crosshatch textured titanium frame with titanium screws. Very smooth action that requires no wrist movement. Nice detent, lockup and blade seating. Rides on ceramic bearings. Knife is in excellent condition, shows no signs of use or carry. Comes with original custom hard case, Nano-Oil, tool, and COA dated Jan 25, 2021.