Constantine I AE Follis, 2.22 gr, 19.50 mm. London. 319-320 AD.

Obv: IMP CONSTANT-INVS AVG, cuirassed bust left wearing high-
crested helmet, holding spear over shoulder.
Rev: VICTORIAE LAETAE PRINC PERP, Two Victories standing, 
holding wreath inscribed VOT PR over altar type Helv. 3d, 
decorated with a cross within a wreath

Mintmark PLN.  

RIC VII London 168, rated R1

Courtesy of TimeLine Originals (www.time-lines.co.uk), Dez, 2010