Translation of legend abbreviations:

A(VTOKPATΩP)  KAICAP  MA(PKOC)  AVP(HΛIOC)  ANTωNINOC  EVCEB(HC)

Imperator Caesar Marcus Aurelius Antoninus Pius

L-E

year 5

EGYPT, Alexandria.  Elagabalus

year 5, CE 221/2

tetradrachm

Obv:  AKAICAPMAAVPANTωNINOCEVCEB; laureate head right

Rev:  head of Zeus Ammon right; L-E (most likely E; could be B, year 2)

Ref: Emmett 2961(5), R2 (R3 if year 2)

From Ancient Imports, 2013.