Severus Alexander Sestertius

Obv: IMP SEV ALEXANDER AVG, Bust laureate right, slightly draped on left shoulder
Rev: VIRTV SAVGVSTI, SC left and right, in field
Severus Alexander as Romulus, bareheaded, in military dress, advancing right, holding spear pointing transversely upward in right hand and trophy over left shoulder in left

BMC 524-6, RIC 625

Weight, 20.915g; die axis, 12h. 

Courtesy of "mix_val" of Forvm Ancient Coins