Licinius   308 - 324   A.D.

Coin Description Licinius, AE 19mm, Grade ??, silvered bronze (unfortunately there is no silvering left on this coin), the coin is very well centered, RBC 282, RIC VII Heraclea 43.
Obverse The portrait is of Licinius a laureate and draped bust facing left, holding a mappa in his right hand and a globe (symbolizing the world/empire he rules) and scepter in his left hand. The legend reads IMP LICINIVS AVG meaning:   IMP ( Imperator means victorious general only the emperor could be given this title. It indicates Licinius being the emperor and supreme commander of the Roman Army. The word "emperor" comes from imperator) LICINIVS (his name) AVG (Augustus which defines him as being the emperor). The legend is broken which is a sign of the highest respect and signifies him as the senior Augustus.
Reverse

The reverse shows a campgate (watchtower) with three signal beacons.The legend reads PROVIDENTIAE AVGG which translates as "The foresight of the emperors". The second G in AVGG means that there is another legitimate ruler with the title of Augustus, in this case Constantine. For a bit more on Providentia see here.

Mint The exergue reads SMHB meaning the 2nd workshop (Beta) of the Heraclea mint, minted between 317 and 320 A.D.
The Entire Story The entire story of this coin would read: Supreme commander and victorious general Licinius Augustus. The foresight of the emperors in combination with the campgate might show that the emperors are building extra defenses for the future defense of the empire.