If you have any reason to believe this might come back as AU, you might just want to leave it as is and let a buyer try to talk you down to MS62.
I pulled this out of circulation at the Pharmacy http://www.mrbrklyn.com/coins/halfs/columbian_obverse.png http://www.mrbrklyn.com/coins/halfs/columbia_reverse.png
Nice find. Can't tell much from the images. They load at only 2.1 meg. Maybe if they were a bit larger we could see more. :goof: