Valentinian (364-375 A.D.) -  AE3 - 19.00mm, 2.42gr
Obverse - DN VALENTINI-ANVS PF AVG
Valentinian, his pearl diademed, draped and cuirassed bust right.
Reverse - GLORIA RO-MANORVM
Emperor advancing right,  labarum with Chi-Rho banner in left hand,
dragging captive with right
TESB in Exergue


The image below was photographed by Beast Coins. The image above is my own scan.
Minted in Thessalonica (Saloniki, Greece) at officina B between 25 February 364 and 24 August 367 A.D.

Reference:
Pearce, J.W.E., "Roman Imperial Coinage", Volume 9 (RIC), Thessalonica, p176, nr 16a, i
Sear, David R., "Roman Coins and their Values" (RCV 4th Revised Edition), p 346, nr. 4102, variety from Thessalonica mint
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 8, p88, nr. 12
Carson, R.A.G., Hill, P.V., & Kent, J.P.C., "Late Roman Bronze Coinage",  Part II, p79, nr. 1704
Van Meter, D., "Handbook of Roman Imperial Coins", p308, nr 42
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II),  p1086, nr.534 (B2, O2, R05, T10, M14)

Quality: Very Fine+