Watch List notes:

Trebonianus Gallus. A.D. 251-253. AR antoninianus (20 mm, 3.57 g, 12 h). Rome, A.D. 253. IMP CAE C VIB TREB GALLVS AVG, radiate, draped and cuirassed bust of Trebonianus Gallus right / A-POLL SALVTARI, Apollo Salutaris standing facing, head left, holding olive branch and lyre resting upon rock. RIC 32; RSC 20. Very fine.