This one is not in RIC, but several examples are listed on Lech's site-
http://www.notinric.lechstepniewski.info/7lon-246.htmlIt's also in the Cloke and Toone London book.
Constantine I
A.D. 322- 323
18x19mm 3.4gm
CONSTAN-TINVS AG, bust left, laureate and cuirassed, holding eagle-tipped sceptre in right hand.
BEAT TRAN-QLITAS, globe set on altar inscribed VOT/IS/XX; above, three stars; in fields F/B
in ex. PLON
RIC VII London –
Should come after RIC 246