Watch List notes:

Quintillus. A.D. 270. Æ antoninianus (19 mm, 2.56 g, 5 h). Rome. IMP C M AVR QVINTILLVS AVG, radiate and cuirassed bust of Quintillus right / CONCORDIA [AVG], Concordia standing facing, head left, sacrificing over altar and holding double cornucopiae; [Δ?]. RIC 13; Cunetio 2330. Dark brown patina, slight silvering. Very fine.