Roman Provincial Coins BITHYNIA. Nicomedia. Valerian I, Gallienus, and Valerian II (Caesar, 256-258 ). Ae. Obv: AVT OVAΛEPIANOC ΓAΛΛHNOC OVAΛEPIANOC. Radiate busts of Valerian I and Gallienus facing o
Roman Provincial Coins BITHYNIA. Nicomedia. Valerian I, Gallienus, and Valerian II (Caesar, 256-258 ). Ae. Obv: AVT OVAΛEPIANOC ΓAΛΛHNOC OVAΛEPIANOC. Radiate busts of Valerian I and Gallienus facing o