337-340 AD., Constans, Siscia mint, Æ3-4, RIC 99.

Constans, Siscia mint, officina 2, 337-340 AD.,
Æ3-4 (ø 16-18 mm / 1,66 g), bronze, axis about coin alignment ↑↓ (ca. 200°),
Obv.: CONSTAN – S PF AVG , his rosette-diademed, draped, and cuirassed bust facing right - son buste diadémé (rosettes), drapé et cuirassé à droite.
Rev.: GLOR - IA EXERC - ITVS / B SIS (dot in crescent) , two soldiers, helmeted, facing one another, holding reversed spears (in outer hands) and resting inner hands on shields, between them one standard marked with christogram (XP-monogram) on banner - labarum entre deux soldats tenant chacun une haste et appuyé à un bouclier, B SIS (croissant pointé) à l’exergue.
RIC VIII, p. 355, no. 99 (C2 - common) ; LRBC 774 ; 37 pieces of RIC 99 on www.nummus-bible-database.com , 7 from officina 2 .