SISC. P. S. Sisciae percussa officina Septima. Money struck at Siscia, in the seventh office of the mint.
SISPS, a mintmark for Siscia. Siscia was a chief town and colony of Pannonia. It was situate at the confluence of the Colapis and Savus, and is now called Sisak, Croatia. The imperial mint at Siscia was open from 260 to c. 390 A.D. Mintmarks included S, SIS, SISC, SISCPS and SMSISC. The mint master was called procurator monetae Siscianae.