Gallienus, BI antoninianus. Rome. AD 260-261. 3.70 g. Sole reign. GALLIENVS AVG, radiate and cuirassed bust right. COS IIII P P, Gallienus driving quadriga stepping left, holding branch and reins. RIC V 150 var. (bust type); Goebl 339x; RSC 146 var. Extremely rare. With permission of cngcoins.com, Triton XIII, Jan. 2010. Estimate: $750.