Brilliant red uncirculated 1955 S Lincoln Wheat with reverse pre-cud die break and retained cud. One very similar as one listed in the very well stocked with images web site Cuds On Coins as RCD-1c-1955S-11R or RCD-1c-1955S-04R or in the Cud Book by Thurman & Margolis as LC-55S-1R Ret.