Constantine I, AE follis, London, 316 AD.

CONSTANTINVS PF AVG, laureate, cuirassed bust left.

SOLI INVIC-TO COMITI, Sol standing left, chlamys across 
left shoulder, holding globe and raising right hand.
S-P across fields.
Mintmark MSL

RIC VII London 73.
Very rare, rated R5.

With permission of ArtCoins Roma, Auction 6, Dec. 2012.