Rare follis, R3 in the Roman Imperial Coinage catalogue.
Roman Imperial
Dalmatius (335-337), follis, 337, Siscia mint
Awers: laureate, draped and cuirassed bust right
FL DELMATIVS NOB C
Rewers: two soldiers holding spears and shields with one standard between them with O on banner; BSIS in exerque
GLORIA EXERCITVS
Diameter 17 mm, weight 1.91 g