Watch List notes:

Antoninus Pius augustus, 138 – 161. Sestertius 140-144, Æ 27.35 g. Laureate head r. Rev. Tiber, crowned with reeds, reclining l. and leaning on urn which pours out water; his r. hand resting on ship as he holds reed in l. C 818. RIC 642a.
Rare. Struck on a full flan and complete, brown-green patina and about extremely fine

Ex Gorny & Mosch sale 129, 2204, 323.