Denomination : Silver denarius. Mint : Rome.
Date : issue of AD 222
Reference : Sear-7891.
Size : 18.6 x 19.1 mm Weight : 3.47 grams.
Grade : VF and a little nicer than the image suggests
Obverse : Head of Severus Alexander right, with IMP C M AVR SEV ALEXAND AVG around (some of the letters are weakly struck).
Reverse : Jupiter standing left, holding a sceptre and thunderbolt, with P M TR P COS P P around.