59 Cadillac seats

Im looking for a set of them. i dont care bench or buckets as long as the frames are good.  i have a customer that bought the car as a project and the seats were the only thing missing.  any leads would be appreciated. 

this guy is selling some from a 61  http://www.hotrodders.com/forum/pink-interior-61-caddy-166860.html    hope this helps 

 google cadillac king