Translation of legend abbreviations:

A(VTOKPATΩP)  KAI(CAP)  MA(PKOC)  AVP(HΛIOC)   CEV(HPOC)     AΛEΞANΔPOC   EV(CEBHC)

Imperator Caesar Marcus Aurelius Severus Alexander Pius

LIB

year 12

EGYPT, Alexandria.  Severus Alexander

year 12, CE 232/3

tetradrachm, 23 mm, 13.87 gm

Obv:  AKAIMAAVPCEVAΛEΞANΔPOCEV; Laureate, draped, and cuirassed bust right

Rev:  Alexandria standing facing, head left, holding vexillum and grain ears; palm frond to left, L IB (date) to right

Ref:   Emmett 3088.12 (R4);  Köln 2474 var. (obv. legend); Dattari (Savio) 4264; K&G 62.172 var. (same)