It's either glare on the slab covering up the "FR" or else the new seller has used some sort of cover up to try to differentiate it. If the latter, why, I don't have a clue? Could be just trying to make a buck or two on the re-list.
#1 in 1959 Topps. Officially known as Assassin according to stanthemanfan 3/31/2014 and god of minor league basketball according to cammb.