Watch List notes:

The Roman Empire
Balbinus, 22 April – 29 July 238

Denarius 238, AR 3.08 g. IMP C D C AEL BALBINVS AVG Laureate, draped and cuirassed bust r. Rev. P M TR P – COS II P P Emperor standing l., holding branch and short sceptre. C 20. BMC 26. RIC 5.
Good very fine

Ex Künker sale 133, 2007, 9018.
This portrait presents a rather different facial expression compared to the main portrait type of Balbinus. It could well be a different portrait type, or a variant cut by an especially capable die engraver. AMP.