Images of the 655 Park Avenue duplex
From Luxury Listings NYC: A duplex co-op at 655 Park Avenue — commissioned by a Rockefeller in 1924 — has sold for $16 million, according to city records. This marks the first time that the spread has traded hands in more than two decades.
http://therealdeal.com/blog/2014/03/24/grand-park-avenue-co-op-sells-for-16m/