'ere, cz - what's that file holdery thing on the wall ?
Christ knows, I just found the pic via Google, I'd seen something similar to that desk a while back, and looked for something similar.
Nifty file system, though.

Not dissimilar to this:
http://www.wayfair.co.uk/Safco-Steel-Seven-Pocket-Wall-Rack-in-Black-3185BL-L3045-K~SAF1207.html?refid=GX51210266543-SAF1207&device=t&ptid=91671454332
Might be this one:
http://www.amazon.com/Buddy-Products-Mirage-Pocket-4810-4/dp/B0006VRMHW