omg...
Thats classic...and a nice choice...with those windows in the roof and such. Don't mention dropping a beefed up 442 under the hood.
You're best bet are sites like:
http://www.collectorcartraderonline.com/
There are some companies that specialize in selling classic cars, but I personally don't know these sites.
Also check Ebay.com for the car.
You're bound to pay a pretty penny for them as they are now rare over here since a lot were crushed.