B5 - Laureate, cuirassed
D6 - Laureate, helmeted, cuirassed

RIC #	Issuer	Obverse Legend	Bust Type	Officinae
R P     315
N/A	Constantine I	IMP CONSTANTINVS P F AVG	D6	P
P R     315/317
cf. RIC VII pg. 281	Constantine I	CONSTAN_TINVS AVG	D6	P
--	Licinius I	LICIN_IVS AVG	B5	P

This coin is a small module solidus.  It was listed in Patrick Bruun's "Constantinian Chronology" in 1961 and a date of 311/early 312 was proposed to celebrate the victory at the Milvian Bridge.  In 1966, Bruun published RIC VII, which starts with the year 313.  In 1967, C H V Sutherland published RIC VI and proposed a date of 315 for this coin to coincide with Constantine's decennalia.  Since both authors dated the coin to a year not covered by the book they published, the coin missed being published in RIC altogether.  It should be in RIC VII.

Image courtesy Classical Numismatic Group

Constantine I, AV Aureus or Solidus, 315, Rome CONSTAN_TINVS AVG Laureate, helmeted, cuirassed bust right VICTORIAE LAETAE PRINC PERP Two Victories standing face to face, holding shield, inscribed VOT | X set on column PR in exergue 4.39g RIC VII, -- (cf. RIC VII pg. 281); Depeyrot 18/2; Alföldi 646 Superb EF, very slight wave in flan at edge Ex CNG; Ex Tkalec (19 February 2001), lot 375 Ex Classical Numismatic Group, Inc. - Sold for $ 7500 in Triton VI, Lot 1086, January 13, 2003.

Image courtesy Lars Ramskold Collection

Licinius I, AV Aureus or Solidus, 317, Rome LICIN_IVS AVG Laureate, cuirassed bust right VICTORIAE LAETAE PRINC PERP Two Victories, standing facing each other, inscribing shield with VOT | X set on column with garland PR in exergue 4.597g RIC VII, -- Lars Ramskold Collection of coins of the Rome Mint This amazing coin is not mentioned in any publication. The existence of this lone piece, with the shield legend VOT X, is obviously meant to either celebrate Licinius I's decennalia, or a mule reusing a reverse die from Constantine's decennalia in 315.