Watch List notes:

Egypt, Alexandria. Trajan. A.D. 98-117. AR tetradrachm (22 mm, 12.25 g). Struck A.D. 111/12. AVT TPAIAN [CEB ΓEPM ΔAKIK] (or similar, much legend off-flan), laureate head of Trajan right / serpent Agathodaemon coiled and erect, head right, wearing skhent; caduceus and grain-ear in fields left and right // L IE (= yr 15 = A.D. 111/12) in exergue. Emmet 369. 

From the Tom Buggey Collection; Ex Wayne C. Phillips.