Yes, I know that it isn't one of the big rarities, but it can be a Minefield.
A big rarity could be a DEMO where the Stock Copy is easy to find, or Stock Copy where the DEMO is easier to find.
One recent case was Ric-Tic RT-122 on a White DEMO, Incredibly RARE, The only one that I have seen, and yet it only fetched £82 at Auction. >>> LINK <<<
Not really Mavericks Original Question I know, because the question was Intended for Big money records.
Sometimes though RARE doesn't necessarily equate to Value. Anyway back to the Big Money Rarities.