Watch List notes:

Gallienus. AD 253-268. Antoninianus (20.5mm, 2.60 g, 12h). Mediolanum (Milan) mint. Issue 2(2), AD 260-1. GALLIENVS AVG, radiate, draped, and cuirassed bust left, viewed from rear, holding spear, pointing upwards, and shield on left shoulder / LEG XI CL VI P VI F, Neptune standing right, holding trident and dolphin. MIR 36, 1014i (this coin illustrated); RIC V (joint reign) 359; Cunetio –. VF, even brown surfaces.

Ex Aufhäuser 10 (5 October 1993), lot 549.