Constantine I, London, AE3. 

CONST-ANTINVS AVG, Laureate, helmeted and cuirassed bust 
right
VICTORIAE LAETAE PRINC PERP, Two Victories standing 
facing, resting shield inscribed VOT PR on altar, altar 
designed with a diamond with three vertical dots within
(Helv. 2c). 

Mintmark PLN. 

RIC VII London 161 var (obverse break). Very rare.
Normal break is CONSTAN-TINVS AVG, CONSTANT-INVS AVG or 
CONSTANTI-NVS AVG.

Contributed by George Clegg (biggyg2),  December, 2009