This not in RIC coin just sold on eBay. The mintmark (SMHT) is not listed in RIC for the campgate series.
Lech's site has it listed, including this example (second pic below) from a previous sale.
http://www.notinric.lechstepniewski.info/7her-14.htmlit seems like this is probably the first campgate from Heraclea, but this coin does not fit neatly into the arrangement in RIC.
Licinius I
Circa A.D. 315
20mm 2.4gm
IMP LICINIVS AVG; laur., dr., globe, scepter in l. hand, mappa in r.hand.
PROVIDENTIAE AVGG NN; campgate with three turrets and no doors, A in right field.
in ex. SMHT