A readable piece of a rare and sought-after issue. Patina, tarnish. Glossy.
Obverse: emperor's head in laurel wreath, clockwise, in the rim legend:
IMP CAE L SEP SEV PERT AVG
Reverse: legion insignia, in segment TR P COS legend, in rim legend:
LEG [] ADIVT
Silver, diameter 17 mm, weight 3.15 g, axis 12 h.