This coins was aquired from CNG at their Triton VIII auction - Lot 2054

Obv: M COMM ANT P FEL AVG BRIT, laureate head right

Rev: HILAR AVG P M TR P XII IMP VIII COS V P P, Hilaritas standing front, head left, holding branch and long palm,  3.1 gr  

Sear 5647,  RSC 212,  RIC 150a