I’d think twice about sunfading that one. I have a Baby Nightsong that has obvious light damage all over one side if her body. It’s like she got sun burnt. It’s an odd brownish tinge over parts of her body and face. I’ve never seen anything like that on a pony, but the general pattern is similar to what I’ve seen on other toys that got exposed to the wrong kind of light over time. She arrived like that, so I don’t know exactly how she ended up in that state or how long it took for her to get like that, but I always assumed that her shiny coating didn’t react well to some kind of light source.