Constantine I, "silver-washed" follis, Antioch. 18.54 mm, 2.52 g. AD 307-337.

IMP CONSTANTINVS AVG, laureate, mantled bust left holding mappa and sceptre.
IOVI CONSERVATORI AVGG, Jupiter standing left, holding Victory on globe and sceptre, bound captive at foot left.

Officina letter B in right field. 
Mintmark SMANT.

RIC VII Antioch 26.

With permission of Jean Elsen & ses Fils S.A. - Auction 152, Lot 834, Sept 2022