Gallienus, 253-268. Antoninianus (Billon, 20 mm, 3.00 g, 12 h), Rome, late 263 to early 264. GALLIENVM P PRINC P R Radiate, draped and cuirassed bust of Gallienus to right. Rev. PAX AVG / V Pax standing front, head to left, holding olive branch in her right hand and long scepter in her left. Cohen -. MIR 403x corr. (1 specimen, struck from the same dies, but the obverse legend misread). RIC -. Of the highest rarity, apparently only the second known example. An important issue of great interest. Struck from somewhat worn dies, otherwise, about very fine.