Rostfrei 21cm Italian OTF DA Aluminum & black vintage automatic knife

Vinatage Rostfrei 21cm Italian OTF DA Aluminum & black automatic knife made in Italy in the 1970s or 80s most likely. The knife measures 20.9cm ( 8.25 inches open) and 5 inches closed with aluminum frame. The flat spear point blade is 100% full with original finish and some light scratches and the ricasso is stamped Rostfrei. The Wide aluminum frame is in good condition with some scuffs on the bolsters as are the black plastic scales with light scuffs that are held on by brass screws. The knife works well with blade opening fully and locking when switch (button/knob) is pushed forward and retracts fully when pulled back. EX condition.