A nice piece with well preserved details. Patina.
Obverse: emperor's head in laurel wreath, to the right, in the rim legend:
M COMM ANT P FEL BRIT.
Reverse: Pietas standing left, holding box of fragrances and pateraabove altar, surrounded by legend:
AVCT PIET TR P XII IMP VIII COS V.
Silver, diameter 15.5 x 17 mm, weight 2.7 g, axis 12 h.