Thanks
Hmm.. well he was a rescue and 7 or 8 months old when I got him. We took him out of a really bad place. He still had the dark blue at that time and we had to have him shaved because it was so matted from neglect. I don't "think" the shaving had anything to do with it though because he grew in silver and just recently these spots started to appear. At first I thought it was something on his clothes maybe rubbing against his fur and messing with the oils of his body/fur or something. So we stopped dressing him up for awhile but then more spots appeared...
Like I said though, as long as he's healthy, I don't care what he looks like, I was just wondering if this happened to anyone else. It's very possible that he's not a 100% purebred yorkie because of his background, so that could be a factor too.