Watch List notes:

EGYPT. Alexandria. Gallienus, 253-268. Tetradrachm (Billon, 21 mm, 9.3721 g), year 12 = 264/265. ΑΥΤ Κ Π ΛΙΚ ΓΑΛΛΙΗΝΟC CΕΒ Laureate and cuirassed bust of Gallienus to right. Rev. Eagle facing with spread wings, supporting laurel wreath containing the date L ΙΒ. Dattari 5291. Köln 2921. Well struck and with a fine brown patina. Extremely fine.
From a European collection formed prior to 2005.