320 NGC Ch XF Constantine I Nummus AE3 Roman Empire VOT XX Thessalonica (25061101C)Choice Extremely Fine Emperor Constantine I, the Great, Roman Empire billon AE3 nummus or centenionalis coin. Struck as Augustus 320 321 CE at the Thessalonica Mint, TSVI, workshop . Superb portrait. S 16221, approx 18mm, 3. 26g. Certified by NGC to Ch XF. (note: horizontal dots on obverse image artifact of oblique lighting, not on coin or holder). Obverse: CONSTANTINVS AVG, laureate head right. Reverse: D N CONSTANTINI MAX AVG, wreath enclosing VOT