Constantine II, AE follis, London. AD 317. 

CONSTANTINVS IVN N C, laureate, draped, cuirassed bust right, 
seen from the back.
CLARITAS REIPBVLICAE, Sol standing left, chlamys across left
shoulder, holding globe and raising right hand.
S-P across fields.

RIC VII London 104; Sear 17106.
Very rare, rated R5

Contributed by Dane for George Clegg, (biggyg2), 2007.