Watch List notes:

Antoninus Pius (138-161), Sestertius, Rome, AD 145-147; AE (g 22,93; mm 31; h 1); ANTONINVS AVG PIVS P P TR P, laureate head r., Rv. COS IIII / PAX - AVG, Pax standing l., setting fire to pile of arms with torch and holding cornucopia. RIC 777.
Dark patina, somewhat tooled, otherwise about extremely fine.