i am sure he is probably a yorkie.......... they change colors up to three years old and there are MANY VARIATIONS on the shadeing.......Take my toby for example, he was the classic "black and tan" but now the new hair that is coming in is very light silver, there is even a patch on his neck that looks almost WHITE because the hair is so light........ i agree with everyone else and tell the tech to mind her own buissness (toby is only 7 months old now and he allready has lots of silver coming in.......... actually i wish he would get on with it and change colors allready because with the lighter coat color it looks like he is going bald and patchy
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