Watch List notes:

EGYPT, Alexandria. Gallienus. AD 253-268. Potin Tetradrachm (21mm, 12.09 g, 12h). Dated RY 7 (AD 259/260). Laureate, draped, and cuirassed bust right / Eagle standing left, head right, holding wreath in beak; L Z (date) across field. Köln 2901-2; Dattari (Savio) 5222; K&G 90.34; Emmett 3728.7; Kellner p. 133, pl. 15, Abb. 8 (this coin). Dark brown patina with traces of green. VF.

Ex A.K. Collection (Triton XXIII, 14 January 2020), lot 835 (part of); purchased privately by A.K from Münzen und Medaillen AG, 1970.