Watch List notes:

Quintillus. AD 270. Antoninianus (18mm, 2.56 g, 5h). Mediolanum (Milan) mint, 3rd officina. 2nd emission. Radiate, draped, and cuirassed bust right / Concordia standing left, holding signum and cornucopia; T. RIC V 45; Huvelin 31. Brown surfaces, hard green deposits, small edge split. Good VF. Struck on a compact flan.

From the John L. Cowan Collection. Ex Pegasi XX (21 April 2009), lot 565.