There is a 1992-S DDO but this is not it.
Look here: http://www.varietyvista.com/12%20Ke...2SDDO001.htm
Your coin does not have the notching, separation lines, or extra thickness the real DDO is.
Look here: http://www.varietyvista.com/12%20Ke...2SDDO001.htm
Your coin does not have the notching, separation lines, or extra thickness the real DDO is.

























