I'm no expert. I've just learn what to look for. What happen's if you use what. Keep digging the coin or coins your looking for are out there. Rhubarb
It is definitely, without a doubt, a DDO, either I or II, not sure. The easiest way to tell is by looking at the 3 things: First is the 1 in the date, it should show obvious separation and one side higher than the other; Second is on the 9 in the date. The left part of the loop in the nine is clearly separated, and third, in order to determine whether it is a DDO-I or DDO-II is by the R in LIBERTY. If the bottom left vertical part of the R is slightly thinner than the rest of the other parts, then it is a DDO-II. Your pic clearly shows separation on the 1 and the 9 but I can't see LIBERTY that well, either way you've got a keeper.