Siscia, 18mm, 2,22g – Sear 19451
“DN VALENTINI-ANVS PF AVG, pearl diademed, draped, cuirassed bust right.
GLORIA RO-MANORVM, Emperor in military dress, advancing right,
head left, holding labarum, dragging captive behind him.
Left field: F.
Right field: R over symbol A.
Mintmark: BSISC zigzag. “