Unknown board sets have been going for 115 for a set and as little as 56 for a set of boards on ebay..
Acid damage on the main board will lower the price by quiet a bit.
Because even though it works it, you always wonder for how long.
There are main boards for 28 dollars and they are not selling quickly.
I hope this helps..
While, I have too many board sets. If you do part it out I might be interest in the other parts you have..