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Valens AE3 of Siscia. 364-367 AD. 

DN VALENS PF AVG, pearl-diademed, draped and cuirassed bust right.
SECVRITAS REIPVBLICAE, Victory walking left, holding wreath and palm.

No fieldmarks.
Mintmark DASISC.

RIC IX Siscia 7b, type iv; Sear 19831-19832.