City Commemorative, 307-337 AD, AE Follis. Siscia. 

VRBS ROMA. helmeted bust of Roma left wearing imperial
mantle
She-wolf standing left, head turned right, suckling
the twins Romulus and Remus. Two stars above.

Mintmark dot ASIS dot. 

RIC VII Siscia 240, rated R4

With permission of Nomos AG - obolos 8, Lot 741, Dec. 2017.