Watch List notes:

Trebonianus Gallus. AD 251-253. AR Antoninianus (21mm, 3.85 g, 12h). Rome mint. 2nd emission, AD 251-252. Radiate, draped, and cuirassed bust right / Concordia standing left, holding patera and double cornucopia. RIC IV 51; RSC 29. Near EF, toned. Rare.

From the Olav E. Klingenberg Collection. Ex Berk BBS 176 (8 September 2011), lot 354.