Watch List notes:

Gallienus. AD 253-268. Antoninianus (19mm, 3.03 g, 12h). Mediolanum (Milan) mint. Issue 3(1), AD 262. GALLIENVS AVG, radiate, helmeted, draped, and cuirassed bust right, viewed from rear, holding spear, pointing upwards, and shield on left shoulder / [IOVI] CONSERVA, Jupiter standing left, holding thunderbolt and sceptre; eagle at his feet. MIR 36, 1038o; RIC V (sole reign) 486; Cunetio – . VF, toned, clash dies, some silver content. Well struck and exceptional. Extremely rare, only one noted by MIR (in the KHM [Vienna]).

Ex Classical Numismatic Group XXIX (30 April 1994), lot 757.