Denarius

Rx F (the letters R, x and F under a tilde surmounted by a cross, the letters R and x mixed, two globules arranged vertically in the middle).

MAG _ C S (a group of four globules above the letter M, a circle with one globule inside above the letters A and G; one globule to the left of the letter C, another between the letters C and S and yet another to the right of the letter S).