Severus Alexander AR quinarius. AD 231-235. 15 mm, 0.95 g g. 

IMP ALEXANDER PIVS AVG, laureate head right.
MARS VLTOR, Mars, helmeted, walking right, holding spear, shield on left arm.

RIC 247; RSC 162; BMCRE 839.
Rare.

With permission of Numismatica Ars Classica - Auction 153, lot 701, May 2025.