Constantine I, 307-337 A.D. AR/AE3, 326-8 A.D.
19mm, 3.18gm, axis: 7:00
Mint of Thessalonica
Obv: CONSTANTINVS AVG. Laureate head right.
Rx: PROVIDENTIAE AVGG. Campgate of 6 tiers, no door, 2 turrets and star above, dot to right; in ex: SMTSE.
RIC VII 153, LRBC 829, SR 3878, VM 85.