Watch List notes:

Balbinus. A.D. 238. Æ sestertius (30.4 mm, 21.51 g, 12 h). Rome mint. IMP CAES D CAEL BALBINVS AVG, laureate, draped and cuirassed bust right / LIBERALITAS AVGVSTORVM, S C across field, Liberalitas standing left, holding abacus and cornucopia. RIC 15; BMC 2. Fine, rough dark brown surfaces.