Watch List notes:

ROMAN & BYZANTINE COINS

Antoninus Pius, 138-161. Denarius (Silver, 17mm, 3.32 g 6), Rome, 145-161. ANTONINVS AVG PIVS P P Laureate head of Antoninus Pius to right. Rev. COS IIII Thunderbolt on draped throne. BMC 536. Cohen 345. A bright, lustrous example of exceptional quality. Virtually as struck.

From an English collection.