340 X Head Value

I'd start at 700- 1000
But they need to be surfaced and painted to move.

Yes. After surfaced and wire brushed to get other rust off.

The rust on the deck side from being in moisture is a hurt. And the general rust, even though small. The resto guys want to paint them nice and for the paint to stick and last.

Yes, they were done. But 20 years ago. The rubber valve stem seals are 20 years old too.

They are worth more than cores. But less than a fresh set.