Constantine I AE follis of Antioch. AD 335. 16 mm, 2.58 g.

CONSTANTINVS MAX AVG, rosette-diademed, draped and cuirassed bust right. (circular rosettes)
GLORIA EXERCITVS, two helmeted soldiers standing facing each other, each holding a spear and a shield at their sides, two standards between them. 

Mintmark SMAN Delta. 

RIC VII Antioch 86.

With permission of Savoca Numismatik Auction 93 Silver, Lot 556, Jan, 2021.