That painted over ground point makes me sad. I'm gonna lose sleep over it.
Get that plate sanded stat!
Run a tap thru the threads for good measure.
Clean any corrosion offa the ring terminals.
Spray the whole shebang off with Deoxit5.
Reassemble.
Add milk and juice to make it part of a complete breakfast (no, wait, that's something different... I watched A LOT of Saturday morning cartoons during the '70s).