Gallienus BI Antoninianus. Mediolanum, AD 262. GALLIENVS AVG, radiate and cuirassed bust left / [P]AX AVGVST[I], Pax standing left, holding olive-branch and sceptre; S in left field. RIC 502 var. (bust type); MIR 1040 var. (same; bust type not known for this series). 2.73g, 22mm, 6h.

Near Very Fine. Very Rare, and possibly unique.

From the N. M. McQ. Holmes Collection;
Ex Classical Numismatic Group, Auction 442, 17 April 2019, lot 428;
Ex Spink & Son Ltd., Numismatic Circular CI.5, June 1993, no. 3382.