Alföldi, "The Reckoning by the Regnal Years and Victories of Valerian and Gallienus" (Jour. Rom. Studies, XXX, 1940, p. 4). Alföldi, "Siscia", Num. Köz., 1927/8, pp. 14-58. RIC, V (1), p. 174, 501. Num ... Agora 2 92 ... Alföldi, "Siscia", Num. Köz., 1927/8, pp. 14-58 ... Alföldi, "Siscia", Num. Köz., 1927/8 ... Alföldi, "The Reckoning by the Regnal Years and Victories of Valerian and