Bronze AE3, 20mm, 3.31gm, issued AD 363/364 Siscia mint.
Obv: DN IOVIANVS PF AVG, Bust of Jovian, pearl-diademed, draped, cuirassed, right.
Rev: VOT V MVLT X (BSISC in ex.), Vows within a wreath.
References: Sear 19228, RIC 426.