Watch List notes:

Egypt, Alexandria. Gallienus. A.D. 253-268. BI tetradrachm (22.5 mm, 9.93 g, 11 h). Dated RY 14 (A.D. 266/7). AVT K Π ΛIK ΓAΛΛIHNOC CЄB, laureate. draped and cuirassed bust of Gallienus right / Eagle standing left, wings closed, head right, wreath in beak; in fields, L I / Δ -- palm-branch. Emmett 3804. VF, light patination.

Ex Leo Hamburger 1890's.

This coin comes from a large group of Roman Provincial, Byzantine and Vandalic coins which were part of Leopold Hamburger's inventory. More information on Mr. Hamburger can be found here:https://www.coinbooks.org/v20/esylum_v20n42a19.html