BOSS Overdrive OD-1 (Black Label, made in 1983 / JRC 4558DD) for sale. This item was stored in an attic for a long time and has been cleaned. The main unit only is for sale. ・Serial number: 285000 (manufactured in 1983) ・Black label (no peeling or fading) ・Op-amp: JRC 4558DD [Operation Check] ・Confirmed power on with both 9V battery and AC adapter ・Connected to a small amplifier and confirmed sound output and switch operation with a guitar ・No significant scratchiness or extreme noise was detected Please check the photos for the exterior scratches and signs of use. I am not a professional, so this item is sold as is. Returns are not accepted, so please understand. Feel free to ask any questions or request additional photos in the comments.