When Neal opens the briefcase in Delmon's office, the Medallion does not have a number listed. When Angelo hands the Medallion to Dusarque it shows 7W21.
Neal said he told Ellen about the corks the last time he saw her before he went to prison. Previously they said they hadn't seen one another since he ran away when he was 18.
Elizabeth says that she frequented the Cotton Club when she first moved to New York. In reality, the club closed its doors in 1940, and she is certainly not old enough to have gone to the club that long ago.
Neal's radius is 2 miles from Upper West Side. Mozzie takes him to Brooklyn without alarming the tracking bracelet. This is outside the radius.
Peter had a leaflet of the pier in his evidence box and told Jones that while he was pursuing Neal he knew he went there with wine and collected corks. If that were the case, he could have staked out the area and arrested him there.