The label should say " High # ". I think thats what i have seen on other '52 Mantles. Look a this auction, it says High #....http://cgi.ebay.com/1952-Topps-311-Mickey-Mantle-Rookie-Card-SGC-50_W0QQitemZ160077556177QQihZ006QQcategoryZ57994QQ ssPageNameZWDVWQQrdZ1QQcmdZViewItem