CUMOSA INOX MEXICO EDGE CO 20cm Wood handled lanyard pull automatic knife

Vintage CUMOSA INOX MEXICO EDGE CO 20cm Wood handled lanyard pull automatic knife most likely made 1970s or 80s and sold by Edge Co mail order company. The knife measures 19.5cm (7 5/8 inches) open with steel liners. You pull the cord to open and pull the blade forward to release to be closed and the blade is fired by a coil spring stretched inside the blade well. The saber long drop blade is 96% full with patina, scratches and peppering and is stamped CUMOSA INOX MEXICO EDGE CO on the tang. The wood scales (handles) are in fair condition, but show a lot of use with worn finish, dings and darkening. The knife works well with blade tip deep, fires strong and average lockup with over 1/4" up and down that springs back when you let go. Does not rattle if shaken with blade open. VG- condition.