I found this portrait exceptionally expressive.
Constantine I
Autumn A.D. 307
25x27mm 7.1 gm
CONSTANTINVS NOB CAES; Laureate head right.
CONSERVATORES VRB SVAE; Roma seated facing, head left, in hexastyle temple, globe in right hand, scepter in left, empty pediment, knobs as acroteria.
In exergue R * Q
RIC VI Rome 196