Electro-Harmonix 1979 V5 Big Muff Pi Distortion Pedal

This Electro-Harmonix 1979 V5 Big Muff Pi is in Excellent condition. No battery snap currently, runs great on included wall adapter supply, otherwise appears all-original, board marked "EH-3003" and pot codes date to 1979. Tone Bypass and all controls/foot switch are in good working order, sounds killer! No box or other accessories included. Very well kept! No meaningful wear to note.