Silver denarius, 20mm, 2.59gm, issued AD 228-231 Rome mint.
Obv: IMP SEV ALEXAND AVG, Laureate bust right with drapery over far shoulder.
Rev: FORTVNAE REDVCI, Fortuna standing left, holding rudder placed on globe and cornucopiae.
References: Sear 7867, RIC 196, RSC 63.