Ron made 25 folders with his IQ lock and release mechanism in the Argentine Pass series. This knife has a single position lock. This one is inscribed, inside the frame, "13 Ron Appleton 12/2002". Each piece in the series exhibits its own unique distinctive flair whether in the pattern of the open/close wheel or the exquisitely sculpted frame. This knife, with its Spiral pattern wheel has a matte' finish to the flats of the frame and a high mirror polish finish in the hollows of the frame. The creative sculpting by Ron Appleton has made his works among the most sought after and highly regarded among collectors worldwide.