I purchased this pedal on consignment at a Boston music store in the early 80's. The online lookup apps show a manufacture date of February 1983 for the serial #278100. This pedal features the 3205 chip. Please see all pics. The condition is excellent with very minor scratches. The plastic loop under the lid screw has a small cracked missing piece. Somehow, over the past 45 years I managed to misplace the black label that was on the bottom before I applied the heavy duty vecro. The LED lights up fine and the pedal sounds great! I have'nt used it since the 1990's when I was gigging a lot.