This is a sharp example of this type
Arcadius
A.D. 404-408
14mm 2.3gm
DN ARCADIVS PF AVG, rosette-diademed, draped and cuirassed bust.
VRBS ROMA FELIX, Roma standing facing, head right, holding trophy and Victory on globe; a shield leans against her left leg.
In left field OF, in right field S
In ex. SMROM
RIC X Rome 1278
Here is a topic I started about these coins-
http://www.lateromanbronzecoinforum.com/index.php?topic=75.0the top pic is the dealer's pic, the bottom is my attempt.