Inox PATENT 18cm Italian Swing Guard Dark Horn vintage switchblade knife

Vintage Italian Swinger from the 1960s. Measures 18cm (7 1/8") open with D stamped brass liners and nickel silver bolsters, guards, button & safety cap. The blade is full with  original factory finish still intact. The ricasso is stamped Inox on the front and PATENT on the back of the tang. The horn scales are mostly dark with a little bit of white streaking on the back scale and some light handling marks. The knife works well with the blade tip even with the liners when closed, good snap and tight lockup. This is a backspring release knife so you have to push down on the tab near the bottom bolsters to close the knife. The safety works. EX condition.