Watch List notes:

Antoninus Pius. AD 138-161. AR Denarius (17mm, 3.16 g, 6h). Rome mint. Struck AD 149-150. Laureate head right / Genius or Bonus Eventus standing left, holding patera and two grain ears. RIC III 189; RSC 219. Die break and tiny flan flaw on reverse. EF. Well struck.