Watch List notes:

Egypt, Alexandria. Claudius. A.D. 41-54. BI tetradrachm (24.88 mm, 12.85 g, 12 h). TI KΛAY I KAIΣ ΣEBA ΓEPMANI AYTOKP, laureate head right, date L before / MEΣΣAΛINA KAIΣ ΣABAΣ, Messalina standing left, leaning upon column to right, holding two children and grain ears. RPC I 5164; Dattari 129; Milne 110; Koln 88; Emmett 74. VF, area of flat strike. 

Ex D. Thomas collection; Ex Bertolami.