Sterile 20cm Italian Swivel bolster Blue pearlex vintage automatic knife

Sterile 20cm Italian Swivel bolster Blue pearlex vintage automatic knife made in Italy in the 1980s or early 90s. The knife measures 19.5cm (7 11/16 inches) open and 4 3/8 inches closed with brass liners & pins, with 3 steel bolsters and one nickel silver (back top), steel button & safety cap. The flat swedge blade is 98% full, or better with original finish with some sharpening and light scratches and no markings (stamp). The blue pearlex scales (handles) are in excellent condition with some handling marks. The knife works well with blade tip deep & centered closed, strong snap and good lockup with about 1/16" up and down at the tip. No rattle if shaken with blade open. VG+ condition.