INOX 23cm Italian Derby bolster BoBc stiletto automatic knife

Hard to find Derby Bolster 1960s vintage Italian BoBc automatic knife. The knife measures 22.3cm (8.75 inches) open with steel liners and nickel silver bolsters, button and safety cap. The flat grind swedge blade is nearly full and shiny and is marked INOX in a circle on the front and PATENT 96847 on the rear ricasso with a few light scratches and scuffs. The buffalo horn scales are in nice condition with no bug bites or cracks and are mostly black with a little bit of brown on the rear scale. The knife works well with the blade tip seated below the liners closed, good snap and good lockup. Press button to open and press button to close. Safety works. EX+ condition.