Watch List notes:

Balbinus (238), Sestertius, Rome, April - June AD 238; AE (g 17,66; mm 31; h 12); IMP CAES D CAEL BALBINVS AVG, laureate, draped and cuirassed bust r., Rv. Rv. P M TR - P COS II P P, emperor, togate, standing l., holding branch and parazonium; in field, S - C. RIC 16; C 21.
Brownish patina, about extremely fine.