The Silver Palace, ex-WP 813, ex-AutoTrain 462, was once also owned by Country & Western star Merle Haggard. Up until recently, it was owned by Vista Rail Inc and operated for charter by RailCruise America. RailCruise's web site for the car [which could disappear at any time] includes the photos below, as well as floor plans and dinner offerings.
As of September, 1998, the Silver Palace was sold to Wisconsin Central's subsidiary Algoma Central, for use on their Agawa Canyon tourist train. It has been refurbished and renamed Spirit of Superior, and entered service on May 21, 1999.