Gallienus, 253-268. Aureus (Gold, 20 mm, 2.88 g, 12 h), Viminacium, 255-256. IMP GALLIENVS P AVG Laureate, draped and cuirassed bust of Gallienus to right, seen from behind. Rev. VIRTVS AVGG Gallienus standing front in military attire, head to left, placing his right foot on helmet, holding globe in his right hand and long scepter in his left. Calicò -. CNG E-Auction 442 (2019), 286 (same obverse die) = Roma E-Auction 21 (2015), 862. Leu Numismatik Web Auction 17 (2021), 2812 (same reverse die). MIR -. RIC -. Extremely rare, apparently the third known example. Light marks and scratches and with a plugged hole at 10 o'clock on the obverse, otherwise, good very fine.