I would agree the puppy doesn't look like the average Yorkie puppy. Most reputable breeders would be able to tell you the type of coat the puppy will have and can also tell how the puppy may look like based on the parents. If it's
not a reputable breeder, well, guess you can't believe anything they said...
Here is a very helpful tips list when looking to buy a yorkie:
http://www.yorkietalk.com/forums/fea...ead-first.html