Heh.. I've bought and sold dozens of Williams games over the last 15+ years. In that time, not one person asked if the game had all matching serial numbered parts..
These arent corvettes, just arcade games..
Just had a funny argument the other day about "keeping a game 100% original". Dude has a game that's got it's original monitor in it.. Bad burn, plus its kinda a shitty chassis. So I offer him a newer rebuilt wells chassis with remote pcb, new donor tube installed.. Amazing picture and it's pretty bulletproof.. He tells me how horrible it would be to remove the "original" monitor as its just the way it was made from the factory..
I argue, did the horrible joust burn come with it from the factory? How about the black crusty chassis that's held together with tape and glue? Heh.. I just don't get it.. As I've slowly replaced all the original monitors in my collection with more modern k7xxx's with remote pcbs and donor tubes.. Every game has an amazing picture and it's easy to adjust them from the coin door with the remote..
Oh, guess I'm ranting.. Heh