Valentinian I, AE3, Siscia.

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: Q
Right field: Symbol 3 over K. 
Mintmark: BSISCV. 
RIC IX Siscia 14a, type xxxii.

crc on ebay, Aug. 1999.
Sold for $5.00