Valentinian I, AE3, Siscia. 364-375 AD. 18 mm, 2.6 g.

DN VALENTINI-ANVS PF AVG, pearl diademed, draped, cuirassed 
bust right.
SECVRITAS-REIPVBLICAE, Victory walking left, holding
 wreath and palm.
R over [symbol 3] in left field, F in right field.
 
Mintmark: gamma SISC [sym1] dot.

RIC IX Siscia 15a, type xxxv(b)

With permission of Gitbud & Naumann Auction 15, Lot 797, April 2014.