Constantine I AE Follis. 317 AD. London.

CONSTANTINVS P AVG, laureate, cuirassed bust right.
CLARITAS REIPVBLICAE, Sol standing left, chlamys
across left shoulder, holding globe in left hand and 
raising right hand.

S-P across fields.
Mintmark: PLN. 

RIC VII London 102
Rare (R4)

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