Not a clash. Could be a possible hub-through where a semi-circular piece of debris gets caught between the blank die and the hub. This would produce an impression in the die which would create a raised element on the coins produced. I was thinking along the lines of the 2004-D Wisconsin state quarter high and low x-tra leaf varieties. If they are indeed a variety or just some mint shenanigans. Might we worthwhile checking this dime out furthur. You never know. Might be many out there or very few. Not many I bet study clad roosevelt dime
reverse.