CONSTANTINE II, AS AUGUSTUS; SISCIA, AE 4 $36.50 11/27/99 Constantine II, Augustus 337-340 AD; AE 4, Siscia mint; Obv: Diademed, draped and cuirassed bust right. Rev: GLORIA EXERCITVS, two soldiers standing either side of one standard, chi-rho on the banner, ESIS-crescent, in exergue. RIC.90, nice F+ with even dark brown tone. Coins of his three year rule are much scarcer than those of his 20 years as Caesar.