the ONLY way Anyone will get this by Christmas is OVERNIGHT mail,lol, Today is the 19th and it ends in 4DAYS,lol. And I Doubt seriously if the seller will pay that much to ship a phone...its not cheap.
You should add more details because sadly even when you do you're going to be inundated with questions but that will at least slow them down a bit. Good luck with your auction and welcome to Listia.