Constantine I AE3 of Heraclea.

CONSTAN-TINVS AVG, rosette diademed head right.
DN CONSTANTINI MAX AVG around VOT XXX within wreath.

Mintmark SMH Delta.

RIC VII Heraclea 71
Contributed by George Clegg (biggyg2), February, 2014

Note from Dane:
Rated R5 in RIC but this is way off the mark. I found
at least a dozen on various sales websites when I
did a short search. (This is omitting all the coins which
were wrongly attributed as RIC 71.)