Denarius, type 3, var 2

R Pi (the letters R, P and i under a tilde, one globule in the middle, one globule under the letter R and three globules in a triangle to the left of the letter R).

R (the letter R between two crosses, three globules in triangle to the right of the letter R whose loop also contains one globule, another globule below the letter and three globules in triangle on the left of this same letter)