Watch List notes:

Trebonianus Gallus. A.D. 251-253. AR antoninianus (21 mm, 4.41 g, 7 h). Rome, A.D. 253. IMP CAE C VIB TREB GALLVS AVG, radiate, draped and cuirassed bust of Trebonianus Gallus right / A-POLL S-ALVTARI, Apollo Salutaris standing facing, head left, holding branch and lyre resting upon rock. RIC 32; RSC 2. Toned. Good very fine. 

From the Maple Leaf Collection.