Hand drawn settings and storyboards are extremely
rare, so most of what's being sold are photocopies.
Production photocopies, but photocopies
nevertheless.  And yes, people have paid absurd
amounts of money for them!

I've seen FMA copies go for absurd amounts on YJ.

Here's an example of animation director genga
copies that people have been known to buy:

http://img36.auctions.yahoo.co.jp/users/2/1/3/6/cgb14050-img424x600-1094300363doggood357-img424x600-10871880731.jpg