Watch List notes:

Antoninus Pius, 138-161. Denarius (Silver, 18.5 mm, 2.78 g, 7 h), Rome. ANTONINVS AVG PIVS P P Laureate head of Antoninus Pius to right. Rev. COS IIII Thunderbolt on draped throne. BMC 536. Cohen 345. RIC 137. Lustrous and clear; a most attractive and beautiful Denarius of Pius. Good extremely fine.