Here is a set of 4 15" wheel covers.  I believe these are correct for 1955-1956 Chrysler Imperial

  They are really nice driver quality.  They have some small dings/dents and some dulling if the finish.  The outer mounting edges are all pretty straight.  The center is somewhat pushed down on one side of one cover-see pictures.  This should be easy to fix as there are no creases. It probably won't even be noticeable once installed.  The center emblems show wear and one has a crack.  The pictures tell the story.

Feel free to ask questions and be sure to check out my other listings.