Nothing special as much of it are simple die varieties or cirulation impacts and wear. Now, it you had a true 1955 DDO on the date, you would have something really special. Also, if you are searching for “errors” with a microscope, you will find something. 7-8X magnification is all one typically needs.
http://varietyvista.com/01a%20LC%20Doubled%20Dies%20Vol%201/DDO%201955.htm