Original Sports Center Pong arcade game circuit board from the 1970s. This board is missing four small ICs and one looks to be a voltage regulator. The chip legs are tarnished, and it has some staining on the front. We don't think it is a lost cause as we didn't see any corrosion and the traces are in good shape for the most part on the back.
Untested, but we're guessing not working due to its age.
