The price of the PCB is getting pretty expensive. $150+ (sometimes in the $200s).
If the cab is in good condition and all original with the atari cone buttons and joystick, it can be $500+.
If missing the original parts and/or missing side art, it is barely worth more than the bare PCB. $250-$350 depending on exact condition.
This style of cab wasn't heavily used and doesn't seek much love if not original.