Silver, 17.7mm diameter, weight 2.92 grams. [D] CLOD SEPT ALBI[N CAES] His bare head right.  Rv. [MINER] PA CIF COS II Minerva stg. left, holding olive branch and shield.  C.48.  Sear RCV 2, 6144.  Flan not quite circular, and slightly off-centre, otherwise F - GF