Watch List notes:

Balbinus (238) - AE Sestertius (Rome AD 238, 20.02 g) – IMP CAES D CAEL BALBINVS AVG, laureate, draped and cuirassed bust right / CONCORDIA AVGG, Concordia seated left, holding patera and double cornucopiae, S C in exergue (RIC 22, BMCRE 18) – VF-