Camp-gate follis of Constantine the Great (307-337 AD), Thessalonica mint, Roman Empire

CONSTANTIVS MAX AVG, Laureate, draped and cuirassed bust right / PROVIDENTIAE CAESS, Camp-gate, dot in the right field, SMTSΔ in exergue. 19mm, 2.49 grams. Mint of Thessalonica, RIC 153, minted 326-328 AD.