It should bring some premium, how much i can't say... I'm going to do some research and get back to you.
There is a transitional error for the 64 D. Here is the link, give me a like if it helps. http://www.doubleddie.com/286101.html I tried to see the leaf for myself, but the pictures are too small for me to see.
Looks more like MD, but I am not well-versed in die varieties on quarters. Without the book in front of me, it certainly could be RPM-003 and I hope it is. Keep up the hunt! edited
Sorry but I had to "like" this post haha. I agree though asking for people for likes is annoying. You can have a million of them, but what do they get you, nothing.
Jello, this one is a spread to the west. I don't think it's an RPM. The OP is pointing out the anomaly to the west, nothing seems to be present to the east. I would say mechanical doubling. Keep up the hunt! P.S. you might want to be careful with what you upload, most authors require permission from a user to post an image from a book one person paid for.