I have peeled off stickers, and these have me stumped. They're applied right to the carbon, and there's nothing on top of them - the finish on the wheel is the natural matt. The edge of the decals/stickers/whatever can be seen and felt. I wouldn't think of trying to scrape them off, that will surely risk damaging a really nice wheel.
Maybe I should just leave them alone....
I have a bike I need to take to Calfee to have a hole in the frame repaired (stupid, the bike on the vertical rack above it fell on it and the chainring punched a hole in the top tube), and I'll bring that wheel along to get their opinion.