This is a very nice steering wheel for a 1955 Thunderbird.  I believe this to be NOS.  This wheel was found in the attic of a shop I have been picking parts from and have discovered a lot of NOS Thunderbird and Mustang parts.  This wheel was very dusty when I found it as it has not been in a box for a long time.  After cleaning the wheel is in remarkably good condition.  There are no hints of a crack and the finish is very good.  The only flaws I could find are some marks around the top half of the wheel that I have tried to picture.  Nice piece.