Very nice coin! I think what is throwing me off a bit(and maybe others too), is it's hard to tell from those pictures how much luster is retained on Liberty's face/hair. The fields are fully lustrous, so it is a 58 minimum imo...but I cant tell how much luster is on the face. If there is luster I'm not seeing, it could easily be 64-65; so maybe some more pics would help.
From bherring's picture, it is easier to tell that the devices are lustrous.