Constans, AR multiple, Siscia, AD 340-350.

FL IVL CONS-TANS PF AVG, laurel and rosette-diademed, draped, cuirassed bust right.
TRIVMFATOR-GENT-IVM BARBARARVM, Emperor	standing left,
 holding labarum with barb on shaft. and transverse spear, 
point downwards.

Mintmark dot SIS dot.

RIC VIII Siscia 148; RSC 112; Gnecchi 18
Rated R3.

Courtesy of Numismatica Genevensis SA, Jan. 2013.