Gratian AE3, Rome.

DN GRATIA-NVS PF AVG, pearl diademed, draped, cuirassed bust right.
SECVRITAS-REIPVBLICAE, Victory advancing left, holding wreath and palm
Mintmark: SM leaf RB.

RIC IX Rome 24c/28b, type xiv, rated scarce.
Note: The leaf resembles a dot over a V.

With permission of aeqvitas.com.