Silver siliqua, 17mm, 2.18gm, issued AD 355-360 Arelate mint.
Obv: DN CONSTANTIVS PF AVG, Diademed, draped, cuirassed bust right.
Rev: VOTIS XXX MVLTIS XXXX (SCON in ex.), Inscription within a wreath.
References: Sear 17951, RIC 261, RSC 342.