Metal loss and corrosion.
Obverse: Bust of the emperor wearing a laurel wreath and with a fragment of drapery, to the right, in the rim the legend IMP TRAIANO OPTIMO AVG GER DAC P M TR P R.
Reverse: Column of Trajan with two eagles at the base, in the rim legend COS VI P P S P Q R
Silver, diameter 18 mm, weight 2.54 g.