Watch List notes:

Trebonianus Gallus. A.D. 251-253. AR antoninianus (22 mm, 3.64 g, 6 h). Rome. IMP C C VIB TREB GALLVS AVG, radiate, draped and cuirassed bust of Trebonianus Gallus right / PIETAS AVGG, Pietas standing facing, head left, extending both arms; at her feet to left, lighted altar. RIC 41; RSC 84. Lustrous and choice. Extremely fine.