Constantine I, AE3, 318-319 (for exergue mark), Siscia, Officina 3IMP CON_STANT_INVS PERT AVGDraped, cuirassed bust of Constantine I right, wearing Pannonian capVICTORIAE LAETAE PRINC PERPTwo Victories, standing facing each other, inscribing shield with VOT / PR on altar with X and design (altar type Y in Appendix on p. 460)GSIS in exergue 18mm x 19mm, 3.27g