This is a rather difficult to find model of the Colt Python. The Silver Snake limited edition, 6 inch barrel stainless finish. I don't believe I have the original box, unfortunately.
Listed on GunBroker -> http://www.gunbroker.com/Auction/ViewItem.asp?Item=120867341
Listed on GunBroker -> http://www.gunbroker.com/Auction/ViewItem.asp?Item=120867341