Ancients
Constantine I the Great (AD 307-337). BI reduced follis (4.58 gm). Nicomedia, AD 313. Laureate head of Constantine right / Genius standing left, pouring liquid from patera into flaming altar to left, SMN in exergue. RIC VII 71c. NGC Choice MS 5/5 - 5/5, silvering.
Estimate: 300-500 USD