Constantine I. 

Obv: IMP CONSTANTI-NVS A-VG, cuirassed bust left wearing high-crested helmet, 
  holding spear and shield 
Rev: VICT LAETAE PRINC PERP, two Victories holding shield inscribed VOT PR 
 over altar. Altar type Helvetica 6f (the letter S). 
Mintmark: GSIS dot (officina Gamma is unlisted in RIC. The obverse breaks are 
 also unlisted) 

RIC VII Siscia 101 unlisted officina, rated R5

Contributed by Dane for George Clegg (biggyg2), August, 2006.