348-350 AD., Constans, Heracleia mint, Æ2, RIC 71.

Constans, Heracleia mint, officina 5, 348-350 AD.,
Æ2 (ø 22-23 mm / 3,54 g), bronze, axes coin alignment ↑↓ (ca. 180°),
Obv.: D N CONSTA - NS P F AVG , diademed, draped and cuirassed bust of Constans left, holding globe in right hand - buste diadémé, drapé et cuirassé à gauche, portant un globe.
Rev.: FEL TEMP REPA - RATIO / S M H Є , helmeted soldier, advancing right, head left, spear in left hand; with right hand, leading small bare-headed barbarian from hut beneath tree. Spear points downwards, it´s butt between the legs of the soldier - soldat debout à gauche, casqué et portant une lance, tirant un jeune barbare hors de sa hutte couverte par un arbre, S M H Є à l’exergue.
RIC VIII, p. 435, no. 71 (scarce) , 9 pieces on http://www.nummus-bible-database.com, ca. 3-5 from this officina .

In AD. 342 - under Constans - the Franks were taken over the Rhine and settled in Toxandria (a region between the Meuse and the Scheldt rivers in the Netherlands and Belgium). This was a peaceful act done by negotiations and the Franks had to fight for the Romans.