Constantine the Great AE3.

RIC VI, Londinium 146a:

obv. CONSTANTINVS PF AVG
        bust laureate, cuirassed, r.

rev. COMITI - AAVVGG
      Sol stg. l., chlamys falling from l. shoulder, r. holding up globe, l. whip
        star in r. field
        ex. PLN
dated c. mid 310 - late 312; rarity R2

The coin size is 22.5mm.

Contributed by Ben Bridgwater, March, 2005