Dated billon tetradrachm from Roman Egypt Alexandria struck on thick flan.
Minted during Caesar Galerius' first (letter A on coin) Alexandrian year = A.D. 292/3.
Reverse: Alexandria standing left holding scepter and Sarapis bust.
Emmett 4203/1 rated as R4 (R5 highest rarity). This is the only year of issue for this type.
Certified by NGC to VF.