Here is the cabinet as I received it, minus the monitor. As you can see, it was converted into a Simpsons at some point during its life, which is odd as the Simpsons is generally a 4-player game.
After removing the leaf spring buttons, I peeled off some sort of vinyl control panel overlay and discovered remnants of the original artwork underneath! I don't know if it's salvageable or not, but I'm going to attempt to work on this in the near future.
A closer look at the no-ghost. I'm not sure if it's just what's left, or if the art is truly still under the paint they used. Guess I'll find out.
I can make out the text for "BEAM" "SHOOT" and "START" as well as the silhouettes of the 'busters. If I can't restore the art, I know the font used for the text is Serif Gothic Heavy, and I'll use a vinyl cutter to reproduce all of this. I'll probably use one of the GB stickers that were recently available in stores as the center no-ghost if I cannot save what's there.
More as I make progress!