My sphynx-named Bananas-is almost 2 years old and has developed a large freckle on her hindquarters. She is white with grey/blue areas. Inside one of these grey/blue spots a freckle developed. I am really worried about it and wondered if this is something common or if anyone has any experience with this. It is not raised in any way, is symmetrical and not red or itchy. But, its largish (think pencil eraser) and I am not sure what to think about it.