Constantine I Camp Gate. Siscia, AD 324-5. Billon centenionalis. 17-19mm. 2.61g. Laureate head right, CONSTANTINVS AVG./ Two-turreted gateway of military camp, star above, PROVIDENTIAE AVGG, SIS in exergue. RCV 16252. VF/EF, dark patina, great gate. Ex D Simpson collection.           Was £50. Now only £25