Severus Alexander. Denarius; Severus Alexander; 222-235 AD, Rome, 225 AD, Denarius, 3.06g. BM-246, C-260, RIC-45. Obv: IMP C M AVR SEV ALEXAND AVG Bust laureate, draped r. Rx: P M TR P - IIII - COS P P Mars advancing r. holding spear and trophy over shoulder. From the Philip Ashton Collection, purchased from Alex Malloy, December 2003.. MS