Looks like a possibility. Hold it so that the left side of the "D" is facing a good, close light source and see if you can see any separation lines in the serifs. You may have to rotate it around a bit.
Please remember "doubling does not a doubled die (or RPM) make"! I do not think you have an RPM here. Hard to say always from (front photos like this) but I think I've seen this die about 13000 times and when turned, (so you can see it SW to NE it is mechanical/machine type doubling. Ask yourself (since you have the coin in front of you) is it a continuation of the primary or a seperate image??? In other words are there spilts in the top or bottoms of the "D's" serifs???
Not an RPM. If it will help you further it is that last photo of the second three photos is where you need to be but generally at the other end. Looking from SW of the mintmark to NE.
I don't believe you have an Rpm there's no serif and I really don't see a second image, Maybe dirt, hat's giving the impression of a RPM JIM
