For your consideration, here is a Show Boat Musical DVD, used, 1951, NR, with Kathryn Grayson, Ava Gardner, Howard Keel, directed by George Sidney, from MGM, DVD released 2010, no. 3000032262, runtime 108 minutes.  The disc is in nice shape.  The case has some wear on it.  It will be mailed in a box for protection.  Item pictured is the actual item up for sale and comes from a non-smoking household.  (686.4c12c-.10dx34)