Constantine AE Follis, London, AD 310-312.

CONSTANTINVS PF AVG; Laureate, cuirassed bust right.
SPES REIPVBL, emperor Prince riding left, holding spear 
and raising right hand, horse trampling a captive, sitting left. 

Star in right field.
Mintmark PLN.

RIC VI London 241; Cohen 554; Sear 16130.

Rated rare.

With permission cgb.fr, sale June 2014, lot 251.