z Ackermannchen ROSTFREI 21cm Italian Rectangle button lockback automatic knife

Vintage Ackermannchen ROSTFREI 21cm Italian Rectangle button lockback automatic knife made in Italy in the 1960s or 1970s. The knife measures 20.6cm (8 1/8 inches) open and 4 3/8 inches closed with brass liners and nickel silver button and safety. The flat swedge blade is 98% full, or better and shiny with light scratches and the ricasso is stamped Ackermannchen in an arch over ROSTFREI and the reverse is stamped PATENT MADE IN ITALY. The black wrap around scales (handles) are in very good condition with light handling marks/scuffs. The knife works well with blade tip just below liners closed, good snap and good lockup with about 1/18 inch movement at the tip. Does not rattle if shaken with blade open. Safety works. VG+ condition.