Constantine I "silver"-washed AE Follis. London. 

IMP CONSTAN-TINVS MAX AG, helmeted, laureate, cuirassed
bust right.
VICTORIAE LAETAE PRINC PERP, Two Victories holding shield 
inscribed VOT - PR on altar type Helv. 1a (plain, slightly concave altar).

Mintmark PLN.

RIC VII London 154 var (obv. legend ending).

Contributed by Chris Scarlioli, April 2016.