ROMAN IMPERIAL COINS, Roman Imperial Coins, Argenteus, c. 294, Siscia, laureate bust right, rev. virtvs militvm, tetrarchy sacrificing over tripod before open gate of enceinte of city walls with towers, 3.04g/6h (RIC 32; RSC 516m; Jelocnik 1). Extremely fine with most attractive iridescent toning (£400-500)