Watch List notes:

Gallienus. AD 253-268. Antoninianus (21mm, 3.70 g, 12h). Rome mint. 6th issue, AD 260-261. GALLIENVS AVG, radiate and cuirassed bust right / COS IIII P P, emperor in quadriga to left, holding eagle-tipped scepter and reins. MIR 36, 339x; RIC V (sole reign) 150 var. (bust type); Cunetio –; Normanby –; Chalfont –. Good VF, toned. Extremely rare.

Ex White Mountain Collection (Triton XIII, 5 January 2010), lot 337.

This reverse alludes to the ceremonial procession marking the beginning of Gallienus's fourth consulship in January AD 261.