Severus Alexander AE Sestertius. Rome, 30mm, 18.62 g.

IMP CAES M AVR SEV ALEXANDER AVG, laureate, draped and cuirassed bust right.
P M TR P COS PP, S-C in exergue, Salus seated left 
by altar, holding patera, feeding serpent rising from
the altar, resting left elbow on the arm of the chair.

RIC IV 393; BMCRE 39; Banti 61; Sear 7988; Cohen 220.

With permission of cngcoins.com, August 2015.
Estimate: £150