Antoninus Pius Sestertius. AD 142. Rome. 24.91 g.

ANTONINVS AVG PIVS P P TR P COS III - Laureate head right 
GENIO SENATVS S-C - Genius of the Senate standing left, 
holding branch and sceptre.  

RIC III, 605; Cohen 400; Sear 4177.

with permission of cngcoins.com, auction 67, lot 1508.