A nice piece of a typologically rarer denarius.
Patina, tarnish.
Obverse: emperor's head in laurel wreath, to the right, in the rim legend:
IMP TRAIANO AVG GER DAC PM TR P;
Reverse: Felicitas standing left, holding an ear of grain and a horn of plenty, surrounded by legend:
COS V P P SPQR OPTIMO PRINC;
Silver, diameter 18 x 20 mm, weight 2.78 g, axis 6 h.