@Brandi Wilson Here is a website about the 1959 wheat back https://www.pcgs.com/news/the-mystery-of-the-1959-d-mule-lincoln-cent
1969 S and 1955 DDO .. if you do your research you'd find that less than 100 1969 S exists ... and the only way to have any probability to get these coins in "circulation" is to buy old estate rolls. Better chance of winning the lottery, twice.