This 1970-D Roosevelt originally stood out because of the bronze or Cooper tinting. The pictures make the tint a bit hard to see but I have included a side shot because the entire reeding is even the bronze/cooper reddish color instead of the like on a normal dime in this time period. When you look at the text on the reverse side you can see the tint and that is the way the entire coin looks on both sides. Also on the reverse side, does the dime look to have transitional error with the 1968 reverse and it is missing half of the "T" in UNITED?
By the way.. That's Roosevelt not Jefferson. You got it right in your post but not in the title. That can create some confusion. You are welcome!