Arcadius (393-423 A.D.) -  AE3 Centenionalis - 18.73mm, 2.42g
Obverse - DN ARCADI-VS PF AVG
Arcadius, his pearl diademed and draped bust right.
Reverse - VIRTVS-EXERCITI
SMKB in exergue.
Emperor standing left, head right, holding spear and resting left hand on shield,
crowned by victory, who is holding palm-branch in left hand.
Arcadius
Minted at the 2nd officina (B) in Cyzicus (Balkiz, Turkey) between 395 and 402 A.D.

Reference:
Kent, J.P.C., "Roman Imperial Coinage", Volume 10 (RIC), Arcadius, p247, nr. 66, obverse legend A1, bust D3
Sear, David R., "Roman Coins and their Values" (RCV Millennium Edition), Volume 5, p443, nr. 20831.
Carson, R.A.G., Hill, P.V., & Kent, J.P.C., "Late Roman Bronze Coinage" (LRBC), Part II, p98, nr. 2580.
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II),  p1214, nr.290 (B3, O2, R18, T17, M6, Exe; SMKB)

General reference (no exact determination by mint):
Van Meter, D., "Handbook of Roman Imperial Coins" (VM), p325, nr 35.
Kampmann, U., "Die Münzen der römischen Kaiserzeit", 2nd edition, (Kampmann) p476, nr. 165.33.

Quality: Very Fine
Rarity: C3