Constantine I, AE follis, London. 318 AD

CONSTANTINVS PF AVG, laureate, cuirassed bust right.
CLARITAS REIPBVLICAE, Sol standing left, chlamys 
across left shoulder, holding globe, right hand raised.
Crescent in left field, star in right field.
Mintmark PLN.

RIC VII London 148.
Very rare, rated R5

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