Watch List notes:

EGYPT, Alexandria. Claudius. AD 41-54. BI Tetradrachm (26mm, 12.93 g, 12h). Dated RY 6 (AD 45/46). Laureate head right; L ς (date) before / Messalina standing left, leaning on column, holding two children and grain ears. Köln 88; Dattari (Savio) 129; K&G 12.54; RPC I 5164; Emmett 74.6. Toned, some light porosity and minor verdigris. VF.

From the Stein A. Evensen Collection, purchased from VCoin Auction, 20 May 2007.