Aside from some random crap for the others? Nothing. You'd think he'd be thoughtful enough to put up a big neon sign that said "Steal this thing!"--

[ But then he glances down, sees a tiny little box marked "Jittania" on the bottom shelf, covered in dust and positively dwarfed by the other boxes around it. He kneels and opens it, revealing something not too dissimilar to an Egyptian scarab. It seems to be made of some sort of deep red metal, and it doesn't glow, exactly, but there's definitely some sort of faint light emitting from it. ]

... Nevermind. Pretty sure I found it.