Watch List notes:

EGYPT, Alexandria. Gallienus. AD 253-268. Potin Tetradrachm (23.5mm, 10.07 g, 12h). Dated RY 15 (AD 267/268). AV[T K] Π ΛIK ΓAΛΛIHNOC CЄB, laureate and cuirassed bust right / Hermes standing left, holding caduceus; Є/I/L (date) to left, palm frond to right. Köln –; Dattari (Savio) 10536; K&G 90.103; Emmett 3815.15 = Milne 4160. VF, encrusted reddish-brown and green patina. Very rare, Emmett underestimates the rarity of this type at R1. None on CoinArchives.

Ex Jacquier FPL 18 (Autumn 1996), no. 416.