Sterile (unmarked) 23cm Italian Picklock Vintage 1950s automatic knife bayonet blade

Sterile (unmarked) 23cm Italian Picklock Vintage 1950s automatic knife bayonet blade and measures 22.7cm (9 inches) open with D stamped brass liners, nickel silver bolsters, button & safety cap. The guards are fully brass lined. The carbon steel bayonet style blade is 100% full with patina, some scratches and spotting. The ricasso is unmarked (sterile). The horn scales are  with a little tan streaking on the back scale. The knife works great with blade tip seating deep and centered, good snap and good lockup with a tiny bit of movement open. Safety works. VG+ condition.