The plaque explaining Carlos Garaicoa's wide work: <i>Postcapital</i>..  
It's a great idea for a Game puzzle.  I managed to sneak a picture of 
the commentary but didn't feel comfortable trying to sneak a picture of 
the piece itself.  (Photography was prohibited in this room.)  <a 
target=_blank 
href="http://www.ago.net/ago-to-acquire-first-cuban-work-of-art">A small 
picture</a> of this work in this linked A.G.O. blog post announcing the 
acquisition.