Gallienus, AE tetradrachm of Alexandria, Egypt. Dated Year 5 of joint rule with Valerian. 

AK P L IOY GALLIANOC EYCEYC, laureate, draped, cuirassed bust right.
L-E across fields, Alexandria standing left, holding head of Serapis and sceptre.

Milne 3979.

Contributed by John Cechini, May 2020.