We would need a good close-up of the mintmark to help determine if it is a RPM. You should also investigate the varietyvista website for that info.
Also, here is an example of a cropped photo of your coin:

"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz