Gallienus, 253-268. Antoninianus (Billon, 18 mm, 2.81 g, 6 h), Rome, 260-261. GALLIENVS AVG Radiate and cuirassed bust of Gallienus to right. Rev. VIRTVS AVG Hercules standing front, head to right, leaning his right hand on club set on ground and holding bow in his left; lion skin draped over his left arm. Cohen -. MIR 341x (4 examples recorded). RIC 595 corr. ('Siscia'). Extremely rare. Struck from somewhat worn dies on a short flan, otherwise, very fine.